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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid
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50444-78-5

50444-78-5 structure

50444-78-5 structure

Name: 2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid
Chemical Name: 2-Fluoro-L-histidine
CAS Number: 50444-78-5
Molecular Formula: C₆H₈FN₃O₂
Molecular Weight: 173.14500
Create Date: 2017-08-09 00:55:00
Modify Date: 2025-10-16 13:58:09

Name	2-Fluoro-L-histidine
Synonyms	2-fluoro-histidine 2FHis L-2-Fluorohistidine 2-Fluor-L-histidin L-Histidine,2-fluoro

Density	1.529g/cm3
Boiling Point	437.5ºC at 760 mmHg
Molecular Formula	C₆H₈FN₃O₂
Molecular Weight	173.14500
Flash Point	218.4ºC
Exact Mass	173.06000
PSA	92.00000
LogP	0.20350
Index of Refraction	1.586

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MS3110000

CHEMICAL NAME :: Histidine, 2-fluoro-, L-

CAS REGISTRY NUMBER :: 50444-78-5

LAST UPDATED :: 198209

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H8-F-N3-O2

MOLECULAR WEIGHT :: 173.17

WISWESSER LINE NOTATION :: T5M CNJ BF D1YZVQ

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 :: 250 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Skin and Appendages - hair

REFERENCE :: RCOCB8 Research Communications in Chemical Pathology and Pharmacology. (PJD Pub. Ltd., P.O. Box 966, Westbury, NY 11590) V.1- 1970- Volume(issue)/page/year: 16,507,1977

HS Code	2933290090

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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