5-Amino-4-chloro-3-methylisoxazole

Modify Date: 2025-08-26 04:36:50

5-Amino-4-chloro-3-methylisoxazole Structure
5-Amino-4-chloro-3-methylisoxazole structure
Common Name 5-Amino-4-chloro-3-methylisoxazole
CAS Number 166964-09-6 Molecular Weight 132.548
Density 1.4±0.1 g/cm3 Boiling Point 245.1±35.0 °C at 760 mmHg
Molecular Formula C4H5ClN2O Melting Point N/A
MSDS N/A Flash Point 102.0±25.9 °C

 Names

Name 4-Chloro-3-methylisoxazol-5-amine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 245.1±35.0 °C at 760 mmHg
Molecular Formula C4H5ClN2O
Molecular Weight 132.548
Flash Point 102.0±25.9 °C
Exact Mass 132.009033
PSA 52.05000
LogP 0.96
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.551

 Safety Information

Hazard Codes Xi: Irritant;
HS Code 2934999090

 Synthetic Route

~90%

5-Amino-4-chloro-3-methylisoxazole Structure

5-Amino-4-chlor...

CAS#:166964-09-6

Literature: Immunopharmaceutics, Inc. Patent: US5514691 A1, 1996 ;

~42%

5-Amino-4-chloro-3-methylisoxazole Structure

5-Amino-4-chlor...

CAS#:166964-09-6

Literature: Texas Biotechnology Corporation Patent: US6420567 B1, 2002 ; US 6420567 B1

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Isoxazolamine, 4-chloro-3-methyl-
4-Chloro-3-methyl-1,2-oxazol-5-amine
4-Chloro-3-methylisoxazol-5-ylamine
T5NOJ CZ DG E1
4-Chloro-3-methyl-5-isoxazolamine
5-Amino-4-chloro-3-methylisoxazole
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