Cas 81945-83-7,7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine

81945-83-7

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Basic information

Product Name: 7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine
Synonyms: 7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine
CAS NO:81945-83-7
Molecular Formula:
Molecular Weight: 426.52
EINECS: N/A
Product Categories: N/A
Mol File: 81945-83-7.mol
Article Data: 1

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine(CAS DataBase Reference)
NIST Chemistry Reference: 7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine(81945-83-7)
EPA Substance Registry System: 7-(2-pyridyl)-2,3a,5-triphenyl-3a,8-dihydro-3H-pyrazolo<1,5-c>pyrimidine(81945-83-7)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 81945-83-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 81945-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,4 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81945-83:
(7*8)+(6*1)+(5*9)+(4*4)+(3*5)+(2*8)+(1*3)=157
157 % 10 = 7
So 81945-83-7 is a valid CAS Registry Number.

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81945-83-7Relevant articles and documents

PYRAZOLO(1,5-c)PYRIMIDINES FROM PYRYLIUM SALTS AND AMIDRAZONES AND PYRIDINE IMIDOYL-N-IMIDES FROM IMIDOYL CHLORIDES

Katritzky, Alan R.,Tomas, Alberto Tarraga

, p. 21 - 28 (2007/10/02)

2,4,6-Triphenylpyrylium salts react with unsubstituted amidrazones to give dihydropyrazolo(1,5-c)pyrimidines or salts of pyridine imidoyl-N-imides.Pyridine imidoyl-N-imides are conveniently prepared from N-aminopyridinium and imidoyl chlorides.

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