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L-Cysteine

View entire compound with spectra: 5 NMR, 7 FTIR, 2 Raman, and 1 MS (GC)

L-Cysteine
SpectraBase Compound ID HOSAPkJn9N
InChI InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N
Mol Weight 121.15 g/mol
Molecular Formula C3H7NO2S
Exact Mass 121.01975 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID 6m6UcyWTNJL
Name L-CYSTEINE
Source of Sample Fluka Chemie AG, Buchs, Switzerland
CAS Registry Number 52-90-4
Compound Type Pure
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
FEMA Number 3263
Formula C3H7NO2S
InChI InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N
Melting Point 220C (dec.)
Molecular Weight 121.16
Sample Description CRYSTALS
Synonyms alpha-MERCAPTOALANINE 2-AMINO-3-MERCAPTOPROPANOIC ACID alpha-AMINO-beta-MERCAPTOPROPANOIC ACID alpha-AMINO-beta-MERCAPTOPROPIONIC ACID
Technique KBr WAFER