(R)-2-Amino-3-(methylthio)propanoic acid

(R)-2-Amino-3-(methylthio)propanoic acid 基本信息
CAS号 7728-98-5 分子式 C4H9NO2S
分子量 135.18500 精确质量  135.03500
PSA  88.62000 LogP  0.46160

基本信息 展开↓

CAS号:
7728-98-5
分子式:
C4H9NO2S
分子量:
135.18500
中文名称:
(R)-2-Amino-3-(methylthio)propanoic acid
英文名称:
(R)-2-Amino-3-(methylthio)propanoic acid
中文别名:
(R)-2-Amino-3-(methylthio)propanoic acid
英文别名:
(R)-2-Amino-3-(methylthio)propanoic acid;
S-methylcysteine
精确分子量/精确质量:
135.03500
极性分子表面积/PSA:
88.62000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。

物化性质展开↓

密度:
1.26g/cm3
沸点:
300.3ºC at 760 mmHg
闪点:
135.4ºC
折射率:
1.539

毒理性展开↓

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
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