Cysteine Hydrochloride

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C₃H₇NO₂S·HCl·H₂O 175.63
C₃H₇NO₂S·HCl 157.62
l-Cysteine hydrochloride monohydrate
[7048-04-6] Anhydrous [52-89-1]

DEFINITION

Cysteine Hydrochloride is l-cysteine hydrochloride monohydrate and contains NLT 98.5% and NMT 101.5% of l-cysteine hydrochloride (C₃H₇NO₂S·HCl), calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP l-Cysteine Hydrochloride RS
USP l-Tyrosine RS

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