4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid

Modify Date: 2024-01-16 10:40:19

4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid Structure
4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid structure
Common Name 4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid
CAS Number 37132-21-1 Molecular Weight 144.08600
Density 1.77g/cm3 Boiling Point 354.8ºC at 760 mmHg
Molecular Formula C4H4N2O4 Melting Point N/A
MSDS N/A Flash Point 168.4ºC

 Names

Name 4-methyl-5-oxido-1,2,5-oxadiazol-5-ium-3-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.77g/cm3
Boiling Point 354.8ºC at 760 mmHg
Molecular Formula C4H4N2O4
Molecular Weight 144.08600
Flash Point 168.4ºC
Exact Mass 144.01700
PSA 88.79000
LogP 0.10970
Index of Refraction 1.637

 Safety Information

HS Code 2934999090

 Synthetic Route

~50%

4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid Structure

4-methyl-5-oxid...

CAS#:37132-21-1

Literature: Di Stilo, Antonella; Visentin, Sonja; Cena, Clara; Gasco, Andrea Marcello; Ermondi, Giuseppe; Gasco, Alberto Journal of Medicinal Chemistry, 1998 , vol. 41, # 27 p. 5393 - 5401

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4-methyl-5-oxido-1-oxa-2-aza-5-azoniacyclopenta-2,4-diene-3-carboxylic acid Structure

4-methyl-5-oxid...

CAS#:37132-21-1

Literature: Gasco,A. et al. Journal of Heterocyclic Chemistry, 1972 , vol. 9, p. 577 - 580

 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-methyl-4-furoxancarboxylic acid
4-Methyl-5-oxy-furazan-3-carboxylic acid
4-Methyl-1,2,5-oxadiazole 5-oxide-3-carboxylic Acid
3-methyl-4-furoxancarboxylic acid
4-methyl-1,2,5-oxadiazole-5-oxido-3-carboxylic acid