Homocysteine

Modify Date: 2025-09-12 10:18:44

Homocysteine structure	Common Name	Homocysteine
	CAS Number	454-28-4	Molecular Weight	135.18500
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₄H₉NO₂S	Melting Point	N/A
	MSDS	Chinese	Flash Point	N/A

Name	Homocysteine
Synonym	More Synonyms

Molecular Formula	C₄H₉NO₂S
Molecular Weight	135.18500
Exact Mass	135.03500
PSA	102.12000
LogP	0.41850

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MT0165000

CHEMICAL NAME :: Homocysteine

CAS REGISTRY NUMBER :: 454-28-4

LAST UPDATED :: 199212

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H9-N-O2-S

MOLECULAR WEIGHT :: 135.20

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 :: >1082 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

HS Code	2930909090

(4R)-1,3-Thiazi...

CAS#:147331-82-6

~94%

Homocysteine

CAS#:454-28-4

Literature: Miyazaki, Hideya; Ohta, Atsushi; Kawakatsu, Nobuyuki; Waki, Yukitaka; Gogun, Yasuhiro; et al. Bulletin of the Chemical Society of Japan, 1993 , vol. 66, # 2 p. 536 - 540

Butanoic acid,4...

CAS#:6027-15-2

Homocysteine

CAS#:454-28-4

Literature: Kanzaki, Hiroshi; Kobayashi, Michihiko; Nagasawa, Toru; Yamada, Hideaki Agricultural and Biological Chemistry, 1986 , vol. 50, # 2 p. 391 - 398

D-methionine

CAS#:348-67-4

Homocysteine

CAS#:454-28-4

Literature: Grue-Soerensen, Gunnar; Kelstrup, Ebbe; Kjaer, Anders; Madsen, Joergen Oegaard Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 5 p. 1091 - 1097

S-[(S)-2-Amino-...

CAS#:2867-15-4

Homocysteine

CAS#:454-28-4

Literature: Anslow; du Vigneaud Journal of Biological Chemistry, 1947 , vol. 170, p. 245

Precursor 4
CAS#:147331-82-6 (4R)-1,3-Thiazi... CAS#:6027-15-2 Butanoic acid,4... CAS#:348-67-4 D-methionine CAS#:2867-15-4 S-[(S)-2-Amino-...
DownStream 1
CAS#:30651-43-5 (S)-S-(2-amino-...

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

(R)-2-amino-4-mercaptobutanoic acid

D-homocystine

D-homocysteine

2-Amino-4-mercaptobutanoic acid

(R)-2-amino-4-mercapto-butyric acid

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Homocysteine

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

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.