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879217-03-5

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879217-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 879217-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,2,1 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 879217-03:
(8*8)+(7*7)+(6*9)+(5*2)+(4*1)+(3*7)+(2*0)+(1*3)=205
205 % 10 = 5
So 879217-03-5 is a valid CAS Registry Number.

879217-03-5Relevant articles and documents

Synthesis of substituted benz[g]indole-6,9-diones and benzo[h]quinoline-7, 10-diones by heterocyclization of 6-alkynyl-5-amino-1,4-naphthoquinones

Yakovleva,Ivanchikova,Shvartsberg

, p. 421 - 427 (2005)

Substituted benz[g]indole-6,9-diones were synthesized by intramolecular cyclization of 6-alkynyl-5-amino-3-diethylamino-1,-4-naphthoquinones. A method was developed for the preparation of 2-aryl(or alkyl)-4,9-bis(dialkylamino) benzo[h]quinoline-7,10-dione

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