Cysteine and derivatives for biochemistry, cell culture and polypeptide synthesis.
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Cysteines

L-Cysteine, 99% [CAS: 52-90-4]

SDS Specifications Cat. No. 911041 CAS 52-90-4 MF C3H7NO2S MW 121.16 Properties Melting Point 220°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Optical Rotation 8° to 9.5° (20 °C, 589...
$12.80
AlaninesCysteines

S-Carboxymethyl-L-cysteine(Carbocysteine), 98% [CAS: 638-23-3]

SDS Specifications Cat. No. 579801 CAS 638-23-3 MF C5H9NO4S MW 179.19 Synonym 3-carboxymethylthio-L-alanine Properties Melting Point 205-207°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg EINECS 211-327-5 Beilstein 1725012 MDL MFCD00002614...
$11.40
Cysteines

Cysteine, 98% [CAS: 3374-22-9]

SDS Specifications Cat. No. 443540 CAS 3374-22-9 MF C3H7NO2S MW 121.16 Synonym (±)-2-Amino-3-mercaptopropionic acid Properties Melting Point 225°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg EINECS 222-160-2 Beilstein 1721406 MDL...
$10.00
Cysteines

D-Cysteine, 98%, from duck feathers [CAS: 921-01-7]

SDS Specifications Cat. No. 500850 CAS 921-01-7 MF C3H7NO2S MW 121.16 Synonym (S)-2-Amino-3-mercaptopropionic acid Properties Melting Point 230°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Optical Rotation -8.6° to -6.6°(C=5...
$60.50
Cysteines

L-Cysteine methyl ester hydrochloride, 98% [CAS: 18598-63-5]

SDS Specifications Cat. No. 269669 CAS 18598-63-5 MF C4H9NO2S·HCl MW 171.65 Synonym H-Cys-Ome·HCl Properties Melting Point 142°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Optical Rotation -2.5° to -1.5° (C=10,...
$22.00
Cysteines

L-Cysteine hydrochloride monohydrate, 99% [CAS: 7048-04-6]

SDS Specifications Cat. No. 274285 CAS 7048-04-6 MF C3H7NO2S·HCl·H2O MW 175.63 Synonym L-Cys-OH·HCl·H2O Properties Melting Point 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Optical Rotation +4° to +8° (C=1, 1...
$25.80