Product Index

[5-(4-METHYLPHENYL)-4-OXOTHIENO[2,3-D]PYRIMIDIN-3(4H)-YL]ACETIC ACID HYDR+

Catalog No.: AA019JXU

CAS No.:1052546-59-4 MDL No.: MFCD07313037

MF: C15H13ClN2O3S MW: 336.7933

Pricing and Availability

6-(piperazine-1-sulfonyl)-1,2,3,4-tetrahydroquinoxaline-2,3-dione hydrochloride

Catalog No.: AA019KB3

CAS No.:1170179-68-6 MDL No.: MFCD08729306

MF: C12H15ClN4O4S MW: 346.7899

Pricing and Availability

4-(3-chloropropoxy)benzonitrile

Catalog No.: AA019MLA

CAS No.:111627-46-4 MDL No.: MFCD09735786

MF: C10H10ClNO MW: 195.6455

Pricing and Availability

N-[1-(aminomethyl)cyclohexyl]methanesulfonamide

Catalog No.: AA019MMI

CAS No.:939758-18-6 MDL No.: MFCD09054705

MF: C8H19ClN2O2S MW: 242.7667

Pricing and Availability

1,3-benzothiazol-6-amine hydrochloride

Catalog No.: AA019ND3

CAS No.:854067-23-5 MDL No.: MFCD11505583

MF: C7H7ClN2S MW: 186.6619

Pricing and Availability

2-Amino-6-chlorobenzenethiol

Catalog No.: AA019NEO

CAS No.:14482-33-8 MDL No.: MFCD11635110

MF: C6H6ClNS MW: 159.6365

Pricing and Availability

2-chloro-1-{4-[(4-chlorophenyl)methyl]piperazin-1-yl}ethan-1-one hydrochloride

Catalog No.: AA019P7W

CAS No.:1049712-18-6 MDL No.: MFCD08444122

MF: C13H17Cl3N2O MW: 323.6459

Pricing and Availability

2-chloro-N-[1-(morpholin-4-yl)-1-phenylpropan-2-yl]acetamide hydrochloride

Catalog No.: AA019P9N

CAS No.:1052542-78-5 MDL No.: MFCD08692029

MF: C15H22Cl2N2O2 MW: 333.2534

Pricing and Availability

(Z)-1-Amino-2-trifluoromethyl-cyclopropanecarboxylic acid hydrochloride

Catalog No.: AA019U66

CAS No.:1047631-90-2 MDL No.: MFCD09971718

MF: C5H7ClF3NO2 MW: 205.5628

Pricing and Availability

3-(piperazin-1-yl)propanenitrile dihydrochloride

Catalog No.: AA019UHY

CAS No.:1044707-28-9 MDL No.: MFCD11857863

MF: C7H15Cl2N3 MW: 212.1201

Pricing and Availability

4-chloro-2-cyclopropyl-5-fluoro-6-methylpyrimidine

Catalog No.: AA019UKC

CAS No.:1000931-54-3 MDL No.: MFCD09863461

MF: C8H8ClFN2 MW: 186.6139

Pricing and Availability

2-[2-(propan-2-yl)-1H-imidazol-1-yl]ethan-1-amine dihydrochloride

Catalog No.: AA019UT1

CAS No.:1181458-82-1 MDL No.: MFCD08668228

MF: C8H17Cl2N3 MW: 226.1467

Pricing and Availability

(diphenylmethyl)(ethyl)amine hydrochloride

Catalog No.: AA019VRK

CAS No.:53693-51-9 MDL No.: MFCD12197246

MF: C15H18ClN MW: 247.7631

Pricing and Availability

2,2-difluoro-2H-1,3-benzodioxole-5,6-diamine dihydrochloride

Catalog No.: AA01B8S6

CAS No.:97966-69-3 MDL No.: MFCD01320395

MF: C7H8Cl2F2N2O2 MW: 261.0534

Pricing and Availability

DL-METHIONINE BETA-NAPHTHYLAMIDE HCL

Catalog No.: AA01DX25

CAS No.:97405-58-8 MDL No.: MFCD00058049

MF: C15H19ClN2OS MW: 310.8422

Pricing and Availability

(4-Chloro-2-methylphenoxy)aceticAcid-13C6

Catalog No.: AA01E0XJ

CAS No.:1329835-48-4 MDL No.:

MF: C9H9ClO3 MW: 206.5749

Pricing and Availability

3-CyanoGimeracil-13C3MethylEther

Catalog No.: AA01E1SM

CAS No.:1391054-70-8 MDL No.:

MF: C7H5ClN2O2 MW: 187.5578

Pricing and Availability

Clevidipine-d5

Catalog No.: AA01E1BC

CAS No.:1346602-00-3 MDL No.:

MF: C21H23Cl2NO6 MW: 456.3164

Pricing and Availability

SodiumDichloroacetate-13C2

Catalog No.: AA01DZPS

CAS No.:1173022-90-6 MDL No.:

MF: C2H2Cl2NaO2 MW: 153.9172

Pricing and Availability

Cefaclor-d5

Catalog No.: AA01E1Z8

CAS No.:1426173-90-1 MDL No.: MFCD19705137

MF: C15H9ClD5N3O4S MW: 372.8382

Pricing and Availability

2,2-Bis(4-hydroxyphenyl)propane-phosgeneCopolymer

Catalog No.: AA01E3VL

CAS No.:25971-63-5 MDL No.:

MF: C18H21ClO3 MW: 320.8105

Pricing and Availability

DS1

Catalog No.: AA01E49E

CAS No.:372497-52-4 MDL No.: MFCD01943217

MF: C18H10Br2ClN3OS MW: 511.6175

Pricing and Availability

4-(Chloromethyl)-2,5-oxazolidinedione-d3

Catalog No.: AA01E2S6

CAS No.:1794713-40-8 MDL No.:

MF: C4HClD3NO3 MW: 152.5509

Pricing and Availability

Cyazofamid-d6

Catalog No.: AA01E2TD

CAS No.:1794756-25-4 MDL No.:

MF: C13H7ClD6N4O2S MW: 330.8229

Pricing and Availability

3-(Chloromethyl)-4-hydroxyquinolineHydrochloride

Catalog No.: AA01E36O

CAS No.:1797891-10-1 MDL No.:

MF: C10H9Cl2NO MW: 230.0906

Pricing and Availability

2-Chloro-6-methyl-4-[(4-methoxyphenyl)methoxy]benzenamine

Catalog No.: AA01E37L

CAS No.:1797987-55-3 MDL No.:

MF: C15H16ClNO2 MW: 277.7460

Pricing and Availability

(αS,βS)-β-PhenylIsoserineHydrochloride

Catalog No.: AA01E5Y3

CAS No.:949459-75-0 MDL No.: MFCD12913914

MF: C9H12ClNO3 MW: 217.6495

Pricing and Availability

EGFRInhibitorIII

Catalog No.: AA01E536

CAS No.:733009-42-2 MDL No.: MFCD28138116

MF: C16H8Cl3FN4O MW: 397.6183

Pricing and Availability

10-UndecenoicAcidMethyl-d3Ester

Catalog No.: AA01E57D

CAS No.:774610-27-4 MDL No.:

MF: C9H12ClF2N3O4 MW: 299.6591

Pricing and Availability

SpergualinTrihydrochloride

Catalog No.: AA01E5A1

CAS No.:80952-47-2 MDL No.: MFCD11041005

MF: C17H40Cl3N7O4 MW: 512.9030

Pricing and Availability

(S)-(-)-3-(3-Hydroxyphenyl)-N-propylpiperidineHydrochloride

Catalog No.: AA01E5LE

CAS No.:88768-67-6 MDL No.: MFCD00069366

MF: C14H22ClNO MW: 255.7836

Pricing and Availability

2-Chloro-N-[4-[(4-methoxyphenyl)methoxy]-2-chloro-6-methylphenyl]acetamide

Catalog No.: AA01E6AN

CAS No.:1797008-31-1 MDL No.:

MF: C17H17Cl2NO3 MW: 354.2278

Pricing and Availability

5-[(2-Chloroethyl)(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoicAcid1-MethylethylEster

Catalog No.: AA01E6AO

CAS No.:1797008-41-3 MDL No.: MFCD31718091

MF: C19H28ClN3O3 MW: 381.8969

Pricing and Availability

22-NHC

Catalog No.: AA01E6CL

CAS No.:360068-87-7 MDL No.: MFCD28898696

MF: C26H46ClNO MW: 424.1025

Pricing and Availability

rac 5-phosphono norvaline hydrochloride

Catalog No.: AA01E9D1

CAS No.:95306-96-0 MDL No.: MFCD28898452

MF: C5H13ClNO5P MW: 233.5872

Pricing and Availability

4-Fluoro-Benzoyl-Carbonyl-13C chloride

Catalog No.: AA01EEMI

CAS No.:91742-47-1 MDL No.: MFCD00000685

MF: C7H4ClFO MW: 159.5501

Pricing and Availability

3,5-Dimethoxybenzylmagnesium chloride - 0.2 M in THF

Catalog No.: AA01EGLR

CAS No.:135808-66-1 MDL No.: MFCD02260202

MF: C9H11ClMgO2 MW: 210.9404

Pricing and Availability

1-p-Tolyl-cyclohexanecarbonyl chloride

Catalog No.: AA01EWSQ

CAS No.:676348-46-2 MDL No.: MFCD03424727

MF: C14H17ClO MW: 236.7372

Pricing and Availability

N'3-[3-Chloro-5-(trifluoromethyl)-2-pyridyl]-2,5-dichloropyridine-3-carbohydrazide

Catalog No.: AA01FHE1

CAS No.:680217-58-7 MDL No.: MFCD00833282

MF: C12H6Cl3F3N4O MW: 385.5564

Pricing and Availability

3-Chloroisoquinolin-8-boronic acid

Catalog No.: AA01FL27

CAS No.:2096333-80-9 MDL No.: MFCD22199344

MF: C9H7BClNO2 MW: 207.4214

Pricing and Availability

(2-bromo-4,5-dimethoxybenzyl)hydrazine hydrochloride

Catalog No.: AA01FWR4

CAS No.:887596-58-9 MDL No.:

MF: C9H14BrClN2O2 MW: 297.5767

Pricing and Availability

(2-Bromo-4,5-diethoxybenzyl)hydrazine hydrochloride

Catalog No.: AA01FWT9

CAS No.:926199-79-3 MDL No.: MFCD09802291

MF: C11H18BrClN2O2 MW: 325.6298

Pricing and Availability

5-(chlorosulfonyl)-2-diazonionaphthalen-1-olate

Catalog No.: AA01G40J

CAS No.:138863-74-8 MDL No.:

MF: C10H5ClN2O3S MW: 268.6763

Pricing and Availability

3,4-DICHLOROPHENYL DIPROPIONAMIDE

Catalog No.: AA01H4HS

CAS No.:954-24-5 MDL No.:

MF: C12H16Cl2N2O2 MW: 291.1736

Pricing and Availability

CHLOROACETYL-N-HYDROXYLEUCYL-ALANYL-GLYCINAMIDE

Catalog No.: AA01H4T7

CAS No.:95602-96-3 MDL No.:

MF: C13H23ClN4O5 MW: 350.7985

Pricing and Availability

[(1S)-1-(4-methylphenyl)-1-tert-butoxycarbonyl-ethyl]azanium chloride

Catalog No.: AA01I4B7

CAS No.:57469-92-8 MDL No.:

MF: C14H22ClNO2 MW: 271.7830

Pricing and Availability

Phenothiazin-5-ium, 3,7-bis(dimethylamino)-4-nitro-, chloride, compd. with zinc chloride (ZnCl2) (1:1:?)

Catalog No.: AA01PEFY

CAS No.:6722-15-2 MDL No.:

MF: C16H17Cl3N4O2SZn MW: 501.1358

Pricing and Availability

Butanoic acid, 2,3,4,4-tetrachloro-3-(dichloromethyl)-, methyl ester

Catalog No.: AA01Q3NO

CAS No.:97055-35-1 MDL No.:

MF: C6H6Cl6O2 MW: 322.8286

Pricing and Availability

4-Piperidineboronic acid, 1-methyl-, hydrochloride

Catalog No.: AA01SHIW

CAS No.:28082-87-3 MDL No.:

MF: C6H15BClNO2 MW: 179.4528

Pricing and Availability

SAG Analog (cis-isomer)

Catalog No.: AA01UOM6

CAS No.:1401532-77-1 MDL No.:

MF: C28H27Cl2N3OS MW: 524.5045

Pricing and Availability

Pentanoic-5-13C acid, 5-amino-4-oxo-, hydrochloride

Catalog No.: AA01SSSI

CAS No.:52065-79-9 MDL No.:

MF: C5H10ClNO3 MW: 168.5835

Pricing and Availability

BTB 02472

Catalog No.: AA01UOMF

CAS No.:1177728-24-3 MDL No.:

MF: C20H23Cl2N3OS MW: 424.3871

Pricing and Availability

JAK3 Inhibitor VII, AD412

Catalog No.: AA01UOMI

CAS No.:796041-65-1 MDL No.: MFCD28138099

MF: C23H20ClN3O MW: 389.8774

Pricing and Availability

Dichlorobis(tricyclohexylphosphine)cobalt(II)

Catalog No.: AA01UPVF

CAS No.:14726-62-6 MDL No.: MFCD31807340

MF: C36H66Cl2CoP2 MW: 690.6960

Pricing and Availability

MnTMPyP pentachloride

Catalog No.: AA01UQ4Y

CAS No.:100012-18-8 MDL No.:

MF: C44H36Cl5MnN8++ MW: 909.0133

Pricing and Availability

Heptacarboxylporphyrin I dihydrochloride

Catalog No.: AA01UQ5U

CAS No.:141407-09-2 MDL No.:

MF: C39H40Cl2N4O14 MW: 859.6593

Pricing and Availability

(2R,4R)-4-Methylpyrrolidine-2-carboxylic acid hydrochloride

Catalog No.: AA01UQ71

CAS No.:1027101-94-5 MDL No.: MFCD27991364

MF: C6H12ClNO2 MW: 165.6180

Pricing and Availability

4-(Benzo[b]thiophene-3-sulfonyl)-piperazine hydrochloride

Catalog No.: AA01UQ9H

CAS No.:864759-61-5 MDL No.:

MF: C12H15ClN2O2S2 MW: 318.8427

Pricing and Availability

2-Chloroadenosine 5′-Monophosphate Ditriethylamine Salt

Catalog No.: AA01UQA0

CAS No.:52621-99-5 MDL No.:

MF: C22H43ClN7O7P MW: 584.0463

Pricing and Availability

7-Hydroxy Granisetron-d3 Hydrochloride

Catalog No.: AA01UQ7N

CAS No.:2124272-03-1 MDL No.:

MF: C18H22ClD3N4O2 MW: 367.8882

Pricing and Availability

(S)-2-Amino-1-azetidin-1-yl-3-phenyl-propan-1-one; hydrochloride

Catalog No.: AA01UPWQ

CAS No.:1162654-35-4 MDL No.:

MF: C12H17ClN2O MW: 240.7292

Pricing and Availability

(trans)-4-Aminomethyl-cyclohexanecarboxylic acid (4-morpholin-4-ylmethyl-phenyl)-amide dihydrochloride

Catalog No.: AA01UPWW

CAS No.:1204337-40-5 MDL No.:

MF: C19H31Cl2N3O2 MW: 404.3743

Pricing and Availability

(R)-2-Amino-1-azetidin-1-yl-3-(2-bromo-phenyl)-propan-1-one hydrochloride

Catalog No.: AA01UPXE

CAS No.:1162654-36-5 MDL No.:

MF: C12H16BrClN2O MW: 319.6252

Pricing and Availability

3-Benzidino-6-(4-chlorophenyl)pyridazine

Catalog No.: AA01US98

CAS No.:901773-91-9 MDL No.:

MF: C22H17ClN4 MW: 372.8502

Pricing and Availability

(-)-1,6-Bis(2-chlorophenyl)-1,6-diphenyl-2,4-hexadiyne-1,6-diol

Catalog No.: AA01UPEY

CAS No.:96158-84-8 MDL No.:

MF: C30H20Cl2O2 MW: 483.3846

Pricing and Availability

Ste11 MAPKKK Activation Inhibitor

Catalog No.: AA01UZNJ

CAS No.:331662-51-2 MDL No.:

MF: C16H13Cl2N3O2 MW: 350.1993

Pricing and Availability

Dichloro[rac-ethylenebis(4,5,6,7-tetrahydro-1-indenyl)]titanium(IV)

Catalog No.: AA01V2NR

CAS No.:112531-75-6 MDL No.:

MF: C20H24Cl2Ti MW: 383.1776

Pricing and Availability

6-Chloro-7-methyl-1H-indole-2,3-dione 3-(O-cyclobutyl-oxime)

Catalog No.: AA01V2NM

CAS No.:1202859-90-2 MDL No.:

MF: C13H13ClN2O2 MW: 264.7075

Pricing and Availability

Nor-S-(-)-SCH-23388 hydrochloride

Catalog No.: AA01V2RM

CAS No.:107128-79-0 MDL No.:

MF: C16H17Cl2NO MW: 310.2183

Pricing and Availability

1-Benzyl-4-(2-bromo-benzenesulfonyl)-piperazine hydrochloride

Catalog No.: AA01V2W8

CAS No.:864759-62-6 MDL No.:

MF: C17H20BrClN2O2S MW: 431.7749

Pricing and Availability

4-(4-Bromo-2-ethyl-benzenesulfonyl)-piperazine hydrochloride

Catalog No.: AA01V2WI

CAS No.:864759-59-1 MDL No.:

MF: C12H18BrClN2O2S MW: 369.7055

Pricing and Availability

1-(2-Methoxy-benzenesulfonyl)-piperazine dihydrochloride

Catalog No.: AA01V2WL

CAS No.:1162262-37-4 MDL No.:

MF: C11H18Cl2N2O3S MW: 329.2432

Pricing and Availability

(trans)-4-Aminomethyl-cyclohexanecarboxylic acid (5-chloro-pyridin-2-yl)-amide dihydrochloride

Catalog No.: AA01V2WX

CAS No.:1204337-43-8 MDL No.:

MF: C13H20Cl3N3O MW: 340.6764

Pricing and Availability

4-(alpha, alpha diphenyl) Piperidine methanol hydrochloride monohydrate

Catalog No.: AA01V2WS

CAS No.:887589-04-0 MDL No.:

MF: C19H25ClNO2 MW: 334.8603

Pricing and Availability

(S)-4-Chloro-1,2-epoxybutane

Catalog No.: AA01WTX7

CAS No.:948594-94-3 MDL No.:

MF: C4H7ClO MW: 106.5508

Pricing and Availability

(4-Chloronaphthalen-1-yl)hydrazine

Catalog No.: AA0005NO

CAS No.:101851-40-5 MDL No.: MFCD05662483

MF: C10H9ClN2 MW: 192.6449

Pricing and Availability

(9H-Fluoren-9-yl)methyl 2-methylpiperazine-1-carboxylate hydrochloride

Catalog No.: AA000H9Y

CAS No.:1159826-45-5 MDL No.: MFCD04115045

MF: C20H23ClN2O2 MW: 358.8618

Pricing and Availability

3-Bromo-4-methoxybenzimidamide hydrochloride

Catalog No.: AA000QOZ

CAS No.:126007-99-6 MDL No.: MFCD06738566

MF: C8H10BrClN2O MW: 265.5348

Pricing and Availability

Benzene, 1-[1-(chloromethyl)ethenyl]-2,4-difluoro-

Catalog No.: AA001OQL

CAS No.:156570-10-4 MDL No.: MFCD24459723

MF: C9H7ClF2 MW: 188.6017

Pricing and Availability

5-(Aminomethyl)furan-3-carbonitrile hydrochloride

Catalog No.: AA002MIF

CAS No.:232280-80-7 MDL No.: MFCD06658316

MF: C6H7ClN2O MW: 158.5856

Pricing and Availability

Quinazoline, 4-chloro-6-methyl-2-phenyl-

Catalog No.: AA002X78

CAS No.:29083-98-5 MDL No.: MFCD04115230

MF: C15H11ClN2 MW: 254.7142

Pricing and Availability

3-(2-((4-Chlorophenyl)amino)ethyl)phenol

Catalog No.: AA002YL0

CAS No.:295319-83-4 MDL No.: MFCD04114500

MF: C14H14ClNO MW: 247.7201

Pricing and Availability

tert-Butyl 3-(2-chlorophenyl)-3-oxopropanoate

Catalog No.: AA002SMW

CAS No.:263239-24-3 MDL No.: MFCD09832164

MF: C13H15ClO3 MW: 254.7094

Pricing and Availability

Quinoline, 2-chloro-6,8-dinitro-

Catalog No.: AA002YZ4

CAS No.:296759-28-9 MDL No.: MFCD04115267

MF: C9H4ClN3O4 MW: 253.5988

Pricing and Availability

Isoquinoline, 6,8-dichloro-1,2,3,4-tetrahydro-

Catalog No.: AA003YFZ

CAS No.:89315-58-2 MDL No.: MFCD16743928

MF: C9H9Cl2N MW: 202.0805

Pricing and Availability

4-Chloro-2-(4-chlorophenyl)-7-fluoroquinazoline

Catalog No.: AA0045CU

CAS No.:885277-75-8 MDL No.: MFCD04115257

MF: C14H7Cl2FN2 MW: 293.1232

Pricing and Availability

4-Chloro-2-(4-chlorophenyl)-6-methylquinazoline

Catalog No.: AA0045CV

CAS No.:885277-69-0 MDL No.: MFCD04115255

MF: C15H10Cl2N2 MW: 289.1593

Pricing and Availability

4-Chloro-7-fluoro-2-(4-fluorophenyl)quinazoline

Catalog No.: AA0045SZ

CAS No.:885277-44-1 MDL No.: MFCD04115244

MF: C14H7ClF2N2 MW: 276.6686

Pricing and Availability

Ethyl 5,6-dichloro-1H-indazole-3-carboxylate

Catalog No.: AA0045SD

CAS No.:885278-50-2 MDL No.: MFCD07371586

MF: C10H8Cl2N2O2 MW: 259.0887

Pricing and Availability

Methyl 5,6-dichloro-1H-indazole-3-carboxylate

Catalog No.: AA0045SE

CAS No.:885278-48-8 MDL No.: MFCD07371585

MF: C9H6Cl2N2O2 MW: 245.0621

Pricing and Availability

4-Chloro-2-(4-chlorophenyl)-5-methylquinazoline

Catalog No.: AA0045SQ

CAS No.:885277-78-1 MDL No.: MFCD04115258

MF: C15H10Cl2N2 MW: 289.1593

Pricing and Availability

8-Chloro-2-(chloromethyl)imidazo[1,2-a]pyridine

Catalog No.: AA0045TB

CAS No.:885275-94-5 MDL No.: MFCD06739244

MF: C8H6Cl2N2 MW: 201.0526

Pricing and Availability

2-(Chloromethyl)-6-iodoimidazo[1,2-a]pyridine

Catalog No.: AA0045TC

CAS No.:885275-91-2 MDL No.: MFCD06739245

MF: C8H6ClIN2 MW: 292.5041

Pricing and Availability

2-(Dichloromethyl)oxazole

Catalog No.: AA00469Y

CAS No.:885274-38-4 MDL No.: MFCD04973405

MF: C4H3Cl2NO MW: 151.9787

Pricing and Availability

8-Bromo-6-chloro-2H-chromene-3-carbonitrile

Catalog No.: AA0046VF

CAS No.:885271-10-3 MDL No.: MFCD04114593

MF: C10H5BrClNO MW: 270.5098

Pricing and Availability

Ethyl 6,8-dichloro-2H-chromene-3-carboxylate

Catalog No.: AA0046VG

CAS No.:885270-99-5 MDL No.: MFCD04114587

MF: C12H10Cl2O3 MW: 273.1120

Pricing and Availability

4-Chloro-N-(3-fluorophenethyl)aniline

Catalog No.: AA00471D

CAS No.:885270-48-4 MDL No.: MFCD04114501

MF: C14H13ClFN MW: 249.7111

Pricing and Availability

8-Bromo-6-chloro-2H-chromene-3-carboxylic acid

Catalog No.: AA004714

CAS No.:885271-01-2 MDL No.: MFCD04114589

MF: C10H6BrClO3 MW: 289.5098

Pricing and Availability

4,7-Dichloro-2-(2-fluorophenyl)quinazoline

Catalog No.: AA00478E

CAS No.:885277-55-4 MDL No.: MFCD04115249

MF: C14H7Cl2FN2 MW: 293.1232

Pricing and Availability

(8-Bromo-6-chlorochroman-3-yl)methanamine

Catalog No.: AA00481T

CAS No.:885271-41-0 MDL No.: MFCD04114614

MF: C10H11BrClNO MW: 276.5574

Pricing and Availability