Homocysteine

Names

[ CAS No. ]:
454-28-4

[ Name ]:
Homocysteine

[Synonym ]:
(R)-2-amino-4-mercaptobutanoic acid
D-homocystine
D-homocysteine
2-Amino-4-mercaptobutanoic acid
(R)-2-amino-4-mercapto-butyric acid

Chemical & Physical Properties

[ Molecular Formula ]:
C4H9NO2S

[ Molecular Weight ]:
135.18500

[ Exact Mass ]:
135.03500

[ PSA ]:
102.12000

[ LogP ]:
0.41850

Toxicological Information

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

Safety Information

[ HS Code ]:
2930909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (4R)-1,3-Thiazinane-4-carboxylic acid
  • Butanoic acid,4,4'-dithiobis[2-amino-, (2R,2'R)-
  • D-methionine
  • S-[(S)-2-Amino-2-carboxyethyl]-L-homocysteine

DownStream

  • (S)-S-(2-amino-2-carboxyethyl)-D-homocysteine

Customs

[ 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%

Related Compounds

  • Homocysteine
  • Homocysteine
  • D-Homocysteine
  • L-Homocysteine D4
  • ara-A-homocysteine
  • S-sulfohomocysteine
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