2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid

Modify Date: 2025-10-16 13:58:09

2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid Structure
2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid structure
Common Name 2-amino-3-(2-fluoro-3H-imidazol-4-yl)propanoic acid
CAS Number 50444-78-5 Molecular Weight 173.14500
Density 1.529g/cm3 Boiling Point 437.5ºC at 760 mmHg
Molecular Formula C6H8FN3O2 Melting Point N/A
MSDS N/A Flash Point 218.4ºC

 Names

Name 2-Fluoro-L-histidine
Synonym More Synonyms

 Chemical & Physical Properties

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
InChIKey OYHWICVZBUWSBK-UHFFFAOYSA-N
SMILES NC(Cc1cnc(F)[nH]1)C(=O)O

 Toxicological Information

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

 Safety Information

HS Code 2933290090

 Customs

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%

 Synonyms

2-fluoro-histidine
2FHis
L-2-Fluorohistidine
2-Fluor-L-histidin
L-Histidine,2-fluoro
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