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88406-62-6

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88406-62-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88406-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,4,0 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 88406-62:
(7*8)+(6*8)+(5*4)+(4*0)+(3*6)+(2*6)+(1*2)=156
156 % 10 = 6
So 88406-62-6 is a valid CAS Registry Number.

88406-62-6Downstream Products

88406-62-6Relevant articles and documents

Reaction of Biguanides and Related Compounds. XV. Cyclizations of Arylbiguanides and 2-Guanidinobenzimidazole with Bifunctional Unsaturated Dicarboxylates to s-Triazines and Imidazolines

Furukawa, Mitsuru,Kawanabe, Kimimasa,Yoshimi, Atsuko,Okawara, Tadashi,Noguchi, Yoshihide

, p. 2473 - 2479 (2007/10/02)

Arylbiguanide (1) and 2-guanidinobenzimidazole (2) were reacted with diethyl azodicarboxylate (3) to give dihydro-s-triazine (6) and dihydrobenzimidazol-s-triazine (9), respectively.The reaction of 1 and 2 with dimethyl acetylenedicarboxylate (4) in alcohol provided the corresponding imidazolinylideneacetylguanidines (10 and 12), which were converted to alkyl imidazolidinylideneacetates (11 and 13) by alcoholysis.The compounds 10 and 12 underwent acid-catalyzed ring conversion to pyrimidine compounds (15 and 16).Keywords - arylbiguanide; guanidinobenzimidazole; diethyl azodicarboxylate; dimethyl acetylenedicarboxylate; s-triazine; imidazoline; cyclization; ring conversion

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