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7728-98-5

7728-98-5 structure
7728-98-5 structure
  • Name: (R)-2-Amino-3-(methylthio)propanoic acid
  • Chemical Name: (R)-2-Amino-3-(methylthio)propanoic acid
  • CAS Number: 7728-98-5
  • Molecular Formula: C4H9NO2S
  • Molecular Weight: 135.18500
  • Create Date: 2016-05-04 06:52:11
  • Modify Date: 2024-01-09 09:22:19

Name (R)-2-Amino-3-(methylthio)propanoic acid
Synonyms S-methylcysteine
Density 1.26g/cm3
Boiling Point 300.3ºC at 760 mmHg
Molecular Formula C4H9NO2S
Molecular Weight 135.18500
Flash Point 135.4ºC
Exact Mass 135.03500
PSA 88.62000
LogP 0.46160
Index of Refraction 1.539

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AY7175000
CHEMICAL NAME :
Alanine, 3-(methylthio)-, L-
CAS REGISTRY NUMBER :
7728-98-5
LAST UPDATED :
199406
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C4-H9-N-O2-S
MOLECULAR WEIGHT :
135.20
WISWESSER LINE NOTATION :
QVYZ1S1

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 :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
35 gm/kg/13D-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 106,1714,1976
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
34 gm/kg/20D-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Endocrine - changes in spleen weight
REFERENCE :
JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 106,1714,1976