Cas 139954-44-2,4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-(4-methylphenyl)-1-phenyl-

139954-44-2

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Basic information

Product Name: 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-(4-methylphenyl)-1-phenyl-
Synonyms:
CAS NO:139954-44-2
Molecular Formula: C18H14N4O
Molecular Weight: 302.335
EINECS: N/A
Product Categories: N/A
Mol File: 139954-44-2.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: 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-(4-methylphenyl)-1-phenyl-(CAS DataBase Reference)
NIST Chemistry Reference: 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-(4-methylphenyl)-1-phenyl-(139954-44-2)
EPA Substance Registry System: 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-(4-methylphenyl)-1-phenyl-(139954-44-2)

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: 139954-44-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 139954-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,5 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139954-44:
(8*1)+(7*3)+(6*9)+(5*9)+(4*5)+(3*4)+(2*4)+(1*4)=172
172 % 10 = 2
So 139954-44-2 is a valid CAS Registry Number.

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139954-44-2Relevant articles and documents

Versatile synthesis of 6-alkyl/aryl-1H-pyrazolopyrimidin-4-ones

Reddy, K Hemender,Reddy, A Panduranga,Veeranagaiah, V

, p. 163 - 166 (2007/10/02)

Condensation of 5-amino-1H-pyrazole-4-carboxamide (1a) with various aromatic aldehydes furnishes 6-substituted-1H-pyrazolepyrimidin-4(5H)-ones (4a-f) via the intermediates 5-(N-arylideneamino)pyrazole-4-carboxamides (3a-f).Compounds 4a-f have also

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