Product Index

L-Tyrosine, O-(3-chloro-4-hydroxyphenyl)-3,5-diiodo-

Catalog No.: AA01CB2L

CAS No.:4299-63-2 MDL No.:

MF: C15H12ClI2NO4 MW: 559.5220

Pricing and Availability

L-Citrulline-d6

Catalog No.: AA01CB4T

CAS No.:1331908-61-2 MDL No.:

MF: C6H7D6N3O3 MW: 181.2227

Pricing and Availability

L-Cysteine-13C3

Catalog No.: AA01CB8E

CAS No.:202114-66-7 MDL No.: MFCD00064306

MF: C3H7NO2S MW: 124.1361

Pricing and Availability

L-Norvaline,N-[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-5-[(2,5-dioxo-1-pyrrolidinyl)oxy]-5-oxo-

Catalog No.: AA01CB8O

CAS No.:153445-05-7 MDL No.: MFCD26792776

MF: C23H22N8O8 MW: 538.4696

Pricing and Availability

L-Proline, 4-cyclohexyl-1-[[hydroxy(4-phenylbutyl)phosphinyl]acetyl]-,(4S)-

Catalog No.: AA01CB99

CAS No.:95399-71-6 MDL No.: MFCD00865781

MF: C23H34NO5P MW: 435.4935

Pricing and Availability

L-Cysteine, L-g-glutamyl-, mono(trifluoroacetate) (salt)

Catalog No.: AA01CBBJ

CAS No.:283159-88-6 MDL No.: MFCD00133357

MF: C10H15F3N2O7S MW: 364.2955

Pricing and Availability

L-Glutamic Acid-13C5,15N

Catalog No.: AA01CBBG

CAS No.:1202063-56-6 MDL No.:

MF: MW:

Pricing and Availability

L-Threonine, N-(1-deoxy-D-fructos-1-yl)-

Catalog No.: AA01CBBV

CAS No.:70954-04-0 MDL No.:

MF: C10H19NO8 MW: 281.2598

Pricing and Availability

Lup-20(29)-en-28-oic acid, 3-(acetyloxy)-, (3b)-

Catalog No.: AA01CBBS

CAS No.:10376-50-8 MDL No.: MFCD04972177

MF: C32H50O4 MW: 498.7370

Pricing and Availability

L-threo-Hex-2-enaric acid, 1,4-lactone

Catalog No.: AA01CBEW

CAS No.:66757-69-5 MDL No.:

MF: C6H6O7 MW: 190.1076

Pricing and Availability

L-threo-Hex-2-enaric acid 1,4-Lactone 6-Methyl Ester

Catalog No.: AA01CBEX

CAS No.:122046-79-1 MDL No.:

MF: C7H8O7 MW: 204.1342

Pricing and Availability

L-Lysine,L-histidylglycyl-L-a-glutamylglycyl-L-threonyl-L-phenylalanyl-L-threonyl-L-seryl-L-a-aspartyl-L-leucyl-L-seryl-

Catalog No.: AA01CBF8

CAS No.:868249-02-9 MDL No.:

MF: C43H53NO15 MW: 823.8786

Pricing and Availability

L-Homoarginine-d4 Dihydrochloride

Catalog No.: AA01CBFB

CAS No.:1332075-41-8 MDL No.: MFCD28138550

MF: C7H12D4N4O2 MW: 192.2522

Pricing and Availability

L-Glutamic acid,N-[4-[[(2,4-diamino-1,7-dihydro-7-oxo-6-pteridinyl)methyl]amino]benzoyl]-

Catalog No.: AA01CBGS

CAS No.:97772-99-1 MDL No.:

MF: C19H20N8O6 MW: 456.4121

Pricing and Availability

L-2-Aminobutyric Acid-d6

Catalog No.: AA01CBJB

CAS No.:1276197-51-3 MDL No.:

MF: C4H3D6NO2 MW: 109.1567

Pricing and Availability

L-2-Aminobutyric Acid D1

Catalog No.: AA01CBJA

CAS No.:175274-24-5 MDL No.:

MF: MW:

Pricing and Availability

L-Tyrosine-2,3,6-d3, 5-nitro-

Catalog No.: AA01CBPJ

CAS No.:213386-10-8 MDL No.:

MF: C9H7D3N2O5 MW: 229.2046

Pricing and Availability

L-Norleucine-d9

Catalog No.: AA01CBR7

CAS No.:1331889-36-1 MDL No.:

MF: C6H4D9NO2 MW: 140.2284

Pricing and Availability

L-Phenylalanine,N-[[(3R)-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-

Catalog No.: AA01CBS2

CAS No.:4825-86-9 MDL No.: MFCD00133680

MF: C20H19NO6 MW: 369.3680

Pricing and Availability

L-Arginine-15N4 Hydrochloride

Catalog No.: AA01CBSS

CAS No.:204633-95-4 MDL No.: MFCD00144559

MF: C6H15ClN4O2 MW: 214.6355

Pricing and Availability

L-Ascorbic Acid-13C6

Catalog No.: AA01CBTC

CAS No.:1331939-77-5 MDL No.: MFCD08459699

MF: C6H8O6 MW: 182.0800

Pricing and Availability

L-Alanine, N-(2,6-dimethylphenyl)-N-(phenylacetyl)-, methyl ester

Catalog No.: AA01CBWX

CAS No.:71626-11-4 MDL No.: MFCD00143652

MF: C20H23NO3 MW: 325.4015

Pricing and Availability

Lamivudine S-Oxide

Catalog No.: AA01CBZS

CAS No.:1235712-40-9 MDL No.:

MF: C8H11N3O4S MW: 245.2556

Pricing and Availability

Lamivudine-15N2,13C

Catalog No.: AA01CBZR

CAS No.:1217746-03-6 MDL No.: MFCD09840829

MF: C8H11N3O3S MW: 232.2357

Pricing and Availability

Lansoprazole-d4

Catalog No.: AA01CC01

CAS No.:934294-22-1 MDL No.: MFCD06658717

MF: C16H10D4F3N3O2S MW: 373.3861

Pricing and Availability

Lapatinib-13C2,15N

Catalog No.: AA01CC06

CAS No.:1246819-07-7 MDL No.: MFCD28138627

MF: C29H26ClFN4O4S MW: 584.0363

Pricing and Availability

Larazotide Acetate

Catalog No.: AA01CC09

CAS No.:881851-50-9 MDL No.: MFCD31630844

MF: C34H59N9O12 MW: 785.8854

Pricing and Availability

Lapatinib-13C2,15N Ditosylate

Catalog No.: AA01CC05

CAS No.:1246819-08-8 MDL No.: MFCD28138625

MF: C36H34ClFN4O7S2 MW: 756.2379

Pricing and Availability

Levetiracetam-d3 (contains d0)

Catalog No.: AA01CC11

CAS No.:1217851-16-5 MDL No.: MFCD09840838

MF: C8H11D3N2O2 MW: 173.2274

Pricing and Availability

Lercanidipine-d3 Hydrochloride

Catalog No.: AA01CC0L

CAS No.:1189954-18-4 MDL No.: MFCD10567101

MF: C36H39ClD3N3O6 MW: 651.2067

Pricing and Availability

Leflunomide-d4

Catalog No.: AA01CC0R

CAS No.:1189987-23-2 MDL No.: MFCD06658907

MF: C12H5D4F3N2O2 MW: 274.2319

Pricing and Availability

L-Lysine,L-leucyl-L-phenylalanyl-L-isoleucyl-L-a-glutamyl-L-tryptophyl-L-leucyl-

Catalog No.: AA01CC0Y

CAS No.:868249-04-1 MDL No.:

MF: C7H14N2 MW: 126.1995

Pricing and Availability

Letrozole-d4 (major)

Catalog No.: AA01CC0V

CAS No.:1133712-96-5 MDL No.:

MF: C17H7D4N5 MW: 289.3274

Pricing and Availability

Levulinic-d5 Acid

Catalog No.: AA01CC18

CAS No.:1206185-52-5 MDL No.:

MF: C5H3D5O3 MW: 121.1460

Pricing and Availability

Levomefolic Acid-13C,d3

Catalog No.: AA01CC16

CAS No.:1356019-94-7 MDL No.:

MF: C20H22D3N7O6 MW: 463.4669

Pricing and Availability

Lidocaine-d10 Hydrochloride

Catalog No.: AA01CC1G

CAS No.:1189959-13-4 MDL No.: MFCD08705335

MF: C14H13ClD10N2O MW: 280.8598

Pricing and Availability

Limaprost-d3

Catalog No.: AA01CC1J

CAS No.:1263190-37-9 MDL No.:

MF: C22H33D3O5 MW: 383.5367

Pricing and Availability

Linagliptin Acetamide

Catalog No.: AA01CC1P

CAS No.:1803079-49-3 MDL No.:

MF: C27H30N8O3 MW: 514.5789

Pricing and Availability

L-Leucine, N-formyl-,(1S,3Z,6Z)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]-3,6-dodecadienyl ester

Catalog No.: AA01CC24

CAS No.:96829-59-3 MDL No.: MFCD09838128

MF: C29H49NO5 MW: 491.7031

Pricing and Availability

Loperamide-d6 Hydrochloride

Catalog No.: AA01CC2O

CAS No.:1189469-46-2 MDL No.: MFCD08063455

MF: C29H28Cl2D6N2O2 MW: 519.5354

Pricing and Availability

Linuron-d6

Catalog No.: AA01CC21

CAS No.:1219804-76-8 MDL No.: MFCD04972576

MF: C9H4Cl2D6N2O2 MW: 255.1309

Pricing and Availability

Lopinavir-d8

Catalog No.: AA01CC2Q

CAS No.:1322625-54-6 MDL No.:

MF: C37H40D8N4O5 MW: 636.8501

Pricing and Availability

Losartan Carboxaldehyde-d3

Catalog No.: AA01CC30

CAS No.:1184999-26-5 MDL No.:

MF: C22H18ClD3N6O MW: 423.9132

Pricing and Availability

Lubiprostone-d7

Catalog No.: AA01CC36

CAS No.:1217675-13-2 MDL No.:

MF: C20H25D7F2O5 MW: 397.5050

Pricing and Availability

Losartan Carboxylic Acid Acyl-β-D-Glucuronide

Catalog No.: AA01CC32

CAS No.:1799830-02-6 MDL No.: MFCD24386417

MF: C28H29ClN6O8 MW: 613.0183

Pricing and Availability

Lovastatin-d3

Catalog No.: AA01CC35

CAS No.:1002345-93-8 MDL No.:

MF: MW:

Pricing and Availability

L-Lysine,N6-[[[[(4S,4aS,5aS,6S,12aS)-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenyl]carbonyl]amino]methyl]-

Catalog No.: AA01CC3K

CAS No.:992-21-2 MDL No.: MFCD01716199

MF: C29H38N4O10 MW: 602.6328

Pricing and Availability

Lurasidone Opened Imide

Catalog No.: AA01CC3G

CAS No.:1644295-07-7 MDL No.:

MF: C28H38N4O3S MW: 510.6913

Pricing and Availability

Lysinoalanine Hydrochloride Salt

Catalog No.: AA01CC3T

CAS No.:93113-28-1 MDL No.:

MF: MW:

Pricing and Availability

L-Lysine,N2-[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]-N6-[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]-

Catalog No.: AA01CC47

CAS No.:102849-12-7 MDL No.: MFCD00467354

MF: C23H33N5O7S MW: 523.6024

Pricing and Availability

L-threo-a-D-galacto-Octopyranoside, methyl7-chloro-6,7,8-trideoxy-6-[[(4-ethyl-2-piperidinyl)carbonyl]amino]-1-thio-,(2R-cis)-

Catalog No.: AA01CC6D

CAS No.:78822-41-0 MDL No.:

MF: C11H16N2 MW: 176.2581

Pricing and Availability

L-Mannitol, 1-deoxy-

Catalog No.: AA01CCBX

CAS No.:488-28-8 MDL No.:

MF: C6H14O5 MW: 166.1724

Pricing and Availability

L-Serine-13C3

Catalog No.: AA01CCEN

CAS No.:201595-68-8 MDL No.: MFCD00144677

MF: C3H7NO3 MW: 108.0705

Pricing and Availability

L-Glutamic acid, N-[(5S)-5-amino-5-carboxypentyl]-

Catalog No.: AA01CCHM

CAS No.:997-68-2 MDL No.: MFCD00056743

MF: C11H20N2O6 MW: 276.2863

Pricing and Availability

L-Cysteine, S-(trichloroethenyl)-

Catalog No.: AA01CCL0

CAS No.:98025-31-1 MDL No.: MFCD00870689

MF: C24H32N4O2 MW: 408.5365

Pricing and Availability

L-Tryptophan-d3

Catalog No.: AA01CCMD

CAS No.:133519-78-5 MDL No.: MFCD10566009

MF: C11H9D3N2O2 MW: 207.2437

Pricing and Availability

L-Tryptophan-2,4,5,6,7-d5

Catalog No.: AA01CCMB

CAS No.:62595-11-3 MDL No.: MFCD00144688

MF: C11H7D5N2O2 MW: 209.2560

Pricing and Availability

L-xylo-2-Hexulosonicacid, hydrate (9CI)

Catalog No.: AA01CCNO

CAS No.:342385-52-8 MDL No.: MFCD06799011

MF: C6H10O7 MW: 194.1394

Pricing and Availability

L-Alanine,L-tyrosyl-L-prolyl-L-tyrosyl-L-a-aspartyl-L-valyl-L-prolyl-L-a-aspartyl-L-tyrosyl-

Catalog No.: AA01CP7O

CAS No.:92000-76-5 MDL No.: MFCD01310914

MF: C53H67N9O17 MW: 1102.1492

Pricing and Availability

L-Lysine,L-a-aspartyl-L-tyrosyl-L-lysyl-L-a-aspartyl-L-a-aspartyl-L-a-aspartyl-L-a-aspartyl-

Catalog No.: AA01CP8E

CAS No.:98849-88-8 MDL No.: MFCD02262135

MF: C41H60N10O20 MW: 1012.9701

Pricing and Availability

Lithium5-Phenyl-1,2,4-oxadiazole-3-carboxylate

Catalog No.: AA01DD2X

CAS No.:2095409-84-8 MDL No.: MFCD30730519

MF: C9H5LiN2O3 MW: 196.0886

Pricing and Availability

L-Serine,N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-

Catalog No.: AA01DNY6

CAS No.:96383-44-7 MDL No.: MFCD05663657

MF: C32H35NO14 MW: 657.6186

Pricing and Availability

L-Threonine,N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-

Catalog No.: AA01DNY2

CAS No.:169219-08-3 MDL No.: MFCD05663659

MF: C33H37NO14 MW: 671.6452

Pricing and Availability

L-Alanine-2,3,3,3-d4, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-

Catalog No.: AA01DO2X

CAS No.:225101-69-9 MDL No.: MFCD03428190

MF: C18H17NO4 MW: 311.3319

Pricing and Availability

Luteinizing hormone-releasing factor (swine), acetate (salt)

Catalog No.: AA01DOCB

CAS No.:34973-08-5 MDL No.: MFCD01742354

MF: C57H79N17O15 MW: 1242.3421

Pricing and Availability

L-threo-a-D-galacto-Octopyranoside, methyl7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-

Catalog No.: AA01DOUI

CAS No.:18323-44-9 MDL No.: MFCD00072005

MF: C18H33ClN2O5S MW: 424.9830

Pricing and Availability

LY2119620

Catalog No.: AA01DOXT

CAS No.:886047-22-9 MDL No.: MFCD27996043

MF: C19H24ClN5O3S MW: 437.9436

Pricing and Availability

Linopirdine Dihydrochloride

Catalog No.: AA01DPTY

CAS No.:113168-57-3 MDL No.: MFCD06245587

MF: C26H23Cl2N3O MW: 464.3863

Pricing and Availability

L-Phenylalaninamide,N-acetyl-L-tyrosyl-L-threonyl-L-seryl-L-leucyl-L-isoleucyl-L-histidyl-L-seryl-L-leucyl-L-isoleucyl-L-a-glutamyl-L-a-glutamyl-L-seryl-L-glutaminyl-L-asparaginyl-L-glutaminyl-L-glutaminyl-L-a-glutamyl-L-lysyl-L-asparaginyl-L-a-glutamyl-L-glutaminyl-L-a-glutamyl-L-leucyl-L-leucyl-L-a-glutamyl-L-leucyl-L-a-aspart

Catalog No.: AA01DQ7E

CAS No.:159519-65-0 MDL No.: MFCD08704781

MF: C204H301N51O64 MW: 4491.8760

Pricing and Availability

Luteinizing hormone-releasing factor (swine), 6-D-tryptophan-

Catalog No.: AA01DQ7D

CAS No.:57773-63-4 MDL No.: MFCD00167541

MF: C64H82N18O13 MW: 1311.4487

Pricing and Availability

L-Leucine, N-(1-oxo-4-phenylbutyl)-

Catalog No.: AA01DTBP

CAS No.:117611-45-7 MDL No.: MFCD31559540

MF: C16H23NO3 MW: 277.3587

Pricing and Availability

lithium(1+) ion 3-bromopropane-1-sulfonate

Catalog No.: AA01DTC5

CAS No.:127666-86-8 MDL No.: MFCD31558964

MF: C3H6BrLiO3S MW: 208.9879

Pricing and Availability

L-Proline, 1-(N-acetylglycyl)-

Catalog No.: AA01DU8U

CAS No.:99783-45-6 MDL No.: MFCD09949521

MF: C9H14N2O4 MW: 214.2185

Pricing and Availability

Levetiracetam-d6

Catalog No.: AA01DZL7

CAS No.:1133229-29-4 MDL No.:

MF: C8H8D6N2O2 MW: 176.2459

Pricing and Availability

LYG-202

Catalog No.: AA01DZQF

CAS No.:1175077-25-4 MDL No.: MFCD26793880

MF: C25H30N2O5 MW: 438.5161

Pricing and Availability

Lacidipine-d10

Catalog No.: AA01DZTJ

CAS No.:1185245-62-8 MDL No.: MFCD09840828

MF: C26H23D10NO6 MW: 465.6049

Pricing and Availability

Lovastatin-d3HydroxyAcidSodiumSalt

Catalog No.: AA01E06K

CAS No.:1217528-38-5 MDL No.:

MF: C24H34D3NaO6 MW: 447.5552

Pricing and Availability

LDN193188

Catalog No.: AA01E0N7

CAS No.:1267610-30-9 MDL No.: MFCD29081186

MF: C20H17Cl2N5O4S MW: 494.3511

Pricing and Availability

L-(+)-Ergothioneine-d3

Catalog No.: AA01E1KE

CAS No.:1356933-89-5 MDL No.:

MF: C9H12D3N3O2S MW: 232.3178

Pricing and Availability

LOE908Hydrochloride

Catalog No.: AA01E20P

CAS No.:143482-60-4 MDL No.: MFCD09038554

MF: C41H49ClN2O9 MW: 749.2888

Pricing and Availability

LinagliptinMethyldimer

Catalog No.: AA01E1Y4

CAS No.:1418133-47-7 MDL No.:

MF: C50H56N16O4 MW: 945.0844

Pricing and Availability

LDC4297

Catalog No.: AA01E233

CAS No.:1453834-21-3 MDL No.: MFCD28411427

MF: C23H28N8O MW: 432.5214

Pricing and Availability

L-Valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-(2S,3R,4R,6E)-3-(acetyloxy)-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methyl-glycineMethylEster

Catalog No.: AA01E2AW

CAS No.:156047-45-9 MDL No.: MFCD31619305

MF: C58H104N10O13 MW: 1149.5056

Pricing and Availability

L-755507

Catalog No.: AA01E2D9

CAS No.:159182-43-1 MDL No.: MFCD08703099

MF: C30H40N4O6S MW: 584.7268

Pricing and Availability

L-368,899Hydrochloride

Catalog No.: AA01E2E2

CAS No.:160312-62-9 MDL No.: MFCD09753328

MF: C26H43ClN4O5S2 MW: 591.2264

Pricing and Availability

LEI-106

Catalog No.: AA01E2FV

CAS No.:1620582-23-1 MDL No.:

MF: C26H27NO6S MW: 481.5607

Pricing and Availability

L-Cysteinyl-L-cysteinyl-L-α-glutamyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-L-TyrosineTrifluoroacetate

Catalog No.: AA01E2I3

CAS No.:1638632-09-3 MDL No.:

MF: MW:

Pricing and Availability

LenvatinibN-Oxide

Catalog No.: AA01E2RL

CAS No.:1788901-86-9 MDL No.: MFCD32182565

MF: C21H19ClN4O5 MW: 442.8524

Pricing and Availability

LP99

Catalog No.: AA01E3AW

CAS No.:1808951-93-0 MDL No.: MFCD28969655

MF: C26H30ClN3O4S MW: 516.0521

Pricing and Availability

L-α-Glutamyl-L-alanyl-L-valyl-L-seryl-L-leucyl-L-lysyl-L-prolyl-L-threonine

Catalog No.: AA01E3CG

CAS No.:182683-50-7 MDL No.: MFCD01076534

MF: C37H65N9O13 MW: 843.9645

Pricing and Availability

L-Phenylalanine-d5MethylEsterHydrochloride

Catalog No.: AA01E3P2

CAS No.:1331897-23-4 MDL No.:

MF: C10H9ClD5NO2 MW: 220.7075

Pricing and Availability

L-Erythrono-1,4-lactone

Catalog No.: AA01E3SO

CAS No.:23732-40-3 MDL No.: MFCD05663647

MF: C4H6O4 MW: 118.0880

Pricing and Availability

LevosimendanCyanoacetamideHydrazoneImpurity

Catalog No.: AA01E3X4

CAS No.:274263-65-9 MDL No.:

MF: C14H14N6O2 MW: 298.3000

Pricing and Availability

L(-)-γ-(Benzyloxycarbonylamino)-α-hydroxybutyricAcidN-HydroxysuccinimideEster

Catalog No.: AA01E4CB

CAS No.:40371-52-6 MDL No.: MFCD26792778

MF: MW:

Pricing and Availability

Lactosazone

Catalog No.: AA01E4GG

CAS No.:4746-17-2 MDL No.:

MF: C24H32N4O9 MW: 520.5323

Pricing and Availability

LY2955303

Catalog No.: AA01E4HS

CAS No.:1433497-19-8 MDL No.: MFCD31561443

MF: C36H42N4O3 MW: 578.7437

Pricing and Availability

L-PyroglutamicAcid-13C5

Catalog No.: AA01E4NJ

CAS No.:55443-56-6 MDL No.:

MF: C5H7NO3 MW: 134.0773

Pricing and Availability

Lecirelin

Catalog No.: AA01E4RQ

CAS No.:61012-19-9 MDL No.: MFCD00882473

MF: C59H84N16O12 MW: 1209.3983

Pricing and Availability

L-Phenylalanine-d7

Catalog No.: AA01E4ZM

CAS No.:69113-60-6 MDL No.:

MF: C9H4D7NO2 MW: 172.2323

Pricing and Availability

Lofexidine-d4Hydrochloride

Catalog No.: AA01E584

CAS No.:1206845-57-9 MDL No.:

MF: C11H8Cl2D4N2 MW: 247.1570

Pricing and Availability