L-Cysteine, hydrogensulfate (ester), monosodium salt (9CI)

Modify Date: 2025-10-27 14:24:47

L-Cysteine, hydrogensulfate (ester), monosodium salt (9CI) structure	Common Name	L-Cysteine, hydrogensulfate (ester), monosodium salt (9CI)
	CAS Number	7381-67-1	Molecular Weight	223.20300
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₃H₆NNaO₅S₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	h-cys(so3h)-oh sodium salt
Synonym	More Synonyms

Molecular Formula	C₃H₆NNaO₅S₂
Molecular Weight	223.20300
Exact Mass	222.95900
PSA	154.20000

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HA2300000

CAS REGISTRY NUMBER :: 7381-67-1

LAST UPDATED :: 198609

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H7-N-O5-S2.Na.3/2H2-O

MOLECULAR WEIGHT :: 251.24

WISWESSER LINE NOTATION :: WSQ1YZVQ &-NA- &QH 3/2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1771 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 94,1419,1974

(S)-3-amino-2-o...

CAS#:112839-94-8

~83%

L-Cysteine, hyd...

CAS#:7381-67-1

Literature: Arnold,L.D.; May,R.G.; Vederas,J.C. Journal of the American Chemical Society, 1988 , vol. 110, p. 2237

L-cysteine

CAS#:52-90-4

sodium cysteine...

CAS#:5163-90-6

L-Cystine

CAS#:56-89-3

L-Cysteine, hyd...

CAS#:7381-67-1

Literature: Church; Evans Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2008 , vol. 69, # 1 p. 256 - 262

Precursor 2
CAS#:112839-94-8 (S)-3-amino-2-o... CAS#:52-90-4 L-cysteine
DownStream 0

cysteine,hydrogensulfate(ester),sodiumsalt,hydrate(2:2:3)

H-CYS(SO3H)-OH NA

H-Cys(SO3H)-OH

sodiums-sulfocysteinehydrate

S-SULFO-L-CYSTEINE SODIUM

CYSTEINE(SO3H)-OH SODIUM SALT

sodium cysteine-S-sulfonate

S-SULFO-L-CYSTEINE MONOSODIUM SALT

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L-Cysteine, hydrogensulfate (ester), monosodium salt (9CI)

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Synthetic Route

Precursor & DownStream

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.