Norcantharidin

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Names

[ CAS No. ]:
5442-12-6

[ Name ]:
Norcantharidin

[Synonym ]:
hexahydro-4,7-epoxyisobenzofuran-1,3-dione
cis-exo-hexahydro-4,7-epoxyisobenzofuran-1,3-dione
7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic Anhydride
Demehylcantharidin
Wln: T C555 A ao dvovtj
Hexahydro-3,6-epoxyphthalic anhydride
demethylcantharidin
Nocantharidin
4,7-Epoxyisobenzofuran-1,3-dione, hexahydro-
4,10-Dioxatricyclo[5.2.1.0]decane-3,5-dione
3,6-Endooxyphthalic anhydride,hexahydro

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
362.5±35.0 °C at 760 mmHg

[ Molecular Formula ]:
C8H8O4

[ Molecular Weight ]:
168.147

[ Flash Point ]:
167.0±26.0 °C

[ Exact Mass ]:
168.042252

[ PSA ]:
52.60000

[ LogP ]:
-0.85

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.550

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RN8300000
CHEMICAL NAME :
7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic anhydride
CAS REGISTRY NUMBER :
5442-12-6
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C8-H8-O4
MOLECULAR WEIGHT :
168.16
WISWESSER LINE NOTATION :
T C555 A AO DVOVTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05066

Safety Information

[ Hazard Codes ]:
Xi

[ WGK Germany ]:
3

[ RTECS ]:
RN8400000

[ HS Code ]:
2942000000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3,6-oxo-1,2,3,6-tetrahydrophthalic anhydride
  • endo-7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid

DownStream

  • Demethylcantharidate disodium
  • 2-(6-ethoxy-1,3-benzothiazol-2-yl)-3a,4,5,6,7,7a-hexahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione
  • 2-(1,3-thiazol-2-yl)-3a,4,5,6,7,7a-hexahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione

Customs

[ HS Code ]: 2942000000

Related Compounds

  • Norcantharidin
  • Norcantharidin
  • 2-Difluoromethoxy-3-fluoroisonicotinic acid
  • 6-Difluoromethoxy-5-fluoronicotinic acid
  • 2-Difluoromethoxy-6-fluoronicotinic acid
  • 2-Difluoromethoxy-6-fluoroisonicotinic acid
  • 3-Difluoromethoxy-2-fluoroisonicotinic acid
  • 5-Difluoromethoxy-6-fluoropicolinic acid
  • 3-Difluoromethoxy-5-fluoroisonicotinic acid
  • 3-Difluoromethoxy-6-fluoropicolinic acid
  • 4-Difluoromethoxy-6-fluoronicotinic acid
  • 6-Difluoromethoxy-2-fluoronicotinic acid
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