(R)-2-Amino-3-(methylthio)propanoic acid
Names
[ CAS No. ]:
7728-98-5
[ Name ]:
(R)-2-Amino-3-(methylthio)propanoic acid
[Synonym ]:
S-methylcysteine
Chemical & Physical Properties
[ 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
Toxicological Information
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