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139436-81-0

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139436-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139436-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,3 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139436-81:
(8*1)+(7*3)+(6*9)+(5*4)+(4*3)+(3*6)+(2*8)+(1*1)=150
150 % 10 = 0
So 139436-81-0 is a valid CAS Registry Number.

139436-81-0Downstream Products

139436-81-0Relevant articles and documents

Cine and normal substitution reaction on substituted 7-bromo-5-azaquinoxalines by secondary amines

Kumari, Sharda,Ghai, Punit,Sexsena, Archana

, p. 92 - 97 (2007/10/02)

7-Bromo-3-phenyl-5-azaquinoxaline (I), 7-bromo-2,3-dimethyl-5-azaquinoxaline (II) and 7-bromo-2,3-diphenyl-5-azaquinoxaline (III) have been synthesized and their nucleophilic substitution reactions with pyrrolidine, piperidine, morpholine and diethanolami

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