20724-56-5

20724-56-5 structure
20724-56-5 structure
  • Name: 3-Chloro-5-isoxazolecarboxylic acid
  • Chemical Name: 3-chloro-1,2-oxazole-5-carboxylic acid
  • CAS Number: 20724-56-5
  • Molecular Formula: C4H2ClNO3
  • Molecular Weight: 147.51700
  • Create Date: 2018-07-19 11:39:46
  • Modify Date: 2024-01-24 19:27:13

Name 3-chloro-1,2-oxazole-5-carboxylic acid
Synonyms 3-chloro-5-isoxazolecarboxylic acid
3-chloroisoxazol-5-carboxylic acid
3-Chlor-isoxazol-carbonsaeure-(5)
3-Chlorisoxazol-5-carbonsaeure
5-ISOXAZOLECARBOXYLIC ACID,3-CHLORO
3-Chloroisoxazole-5-carboxylic acid
Density 1.64g/cm3
Boiling Point 342.6ºC at 760 mmHg
Molecular Formula C4H2ClNO3
Molecular Weight 147.51700
Flash Point 161ºC
Exact Mass 146.97200
PSA 63.33000
LogP 1.02620
Vapour Pressure 2.87E-05mmHg at 25°C
Index of Refraction 1.545

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NY2375000
CHEMICAL NAME :
5-Isoxazolecarboxylic acid, 3-chloro-
CAS REGISTRY NUMBER :
20724-56-5
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C4-H2-Cl-N-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1860 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 18,569,1969
HS Code 2934999090

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20724-56-5 structure

20724-56-5

Literature: Gazzetta Chimica Italiana, , vol. 91, p. 47 - 64

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20724-56-5 structure

20724-56-5

Literature: Gazzetta Chimica Italiana, , vol. 91, p. 47 - 64
Precursor  1

DownStream  1

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