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165267-30-1

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165267-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165267-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,2,6 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 165267-30:
(8*1)+(7*6)+(6*5)+(5*2)+(4*6)+(3*7)+(2*3)+(1*0)=141
141 % 10 = 1
So 165267-30-1 is a valid CAS Registry Number.

165267-30-1Downstream Products

165267-30-1Relevant articles and documents

Synthesis of pyrrole, pyridinone and pyrimidinone derivatives using PTC conditions

Abdel-Ghany,El-Sayed,El-Shafei

, p. 1119 - 1131 (1995)

The reaction of anilinomethylenemalononitrile 1 or 1,4-di(malononitrilemethyleneamino)benzene 7 with some reactive halo compounds in a one-pot reaction under PTC conditions affords a new series of pyrrole and pyridinone compounds. The reaction of compounds 1 or 7 with ethyl chloroformate gives the corresponding esters which underwent cyclization on reaction with different amino compounds affording the pyrimidinone derivatives.

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