3-Chloro-5-isoxazolecarboxylic acid

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Names

[ CAS No. ]:
20724-56-5

[ Name ]:
3-Chloro-5-isoxazolecarboxylic acid

[Synonym ]:
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

Chemical & Physical Properties

[ 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

Toxicological Information

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

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-CHLORO-5-ISOXAZOLEMETHANOL

DownStream

  • 3-Methoxyisoxazole-5-carboxylic acid

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%

Related Compounds

  • 3-chloro-5-isoxazolecarboxylic acid chloride
  • 5-(([3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]AMINO)METHYL)-4,5-DIHYDRO-3-ISOXAZOLECARBOXYLIC ACID
  • 5-Isoxazolecarboxylicacid,4-chloro-3-methyl-(9CI)
  • 3-Chloro-5-methylbenzoic acid
  • 3-Chloro-5-fluorobenzoic acid
  • 3-Chloro-5-iodobenzoic acid
  • I(2)-(Phenylthio)-1,3-benzodioxole-5-propanoic acid
  • 2-Methylpyrido[2,3-d]pyrimidin-7(8H)-one
  • 2-(Methylsulfonyl)-7-nitro-1,2,3,4-tetrahydroisoquinoline
  • 3-Methylocta-2,7-dien-1-ol
  • 4-(Phenylsulfinyl)piperidine
  • (1,1-Dimethylethyl)carbamic acid 3-(3-oxo-1,2-benzisothiazol-2(3H)-yl)propyl ester
  • 5-Chloro-6-nitro-7-trifluoromethyl-1,4-dihydroquinoxaline-2,3-dione
  • 5-Isocyanomethyl-3-methylisoxazole
  • 2-Bromo-3,5-diphenylpyrazine
  • 2-Methoxy-5-methyl-I(2)-phenylbenzenepropanal
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