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67162-21-4

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67162-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67162-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,6 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67162-21:
(7*6)+(6*7)+(5*1)+(4*6)+(3*2)+(2*2)+(1*1)=124
124 % 10 = 4
So 67162-21-4 is a valid CAS Registry Number.

67162-21-4Downstream Products

67162-21-4Relevant articles and documents

Microwave-assisted solvent-free synthesis of some styryl dyes with benzimidazole nucleus

Wang, Lanying,Zhang, Xiaogang,Li, Fengmei,Zhang, Zuxun

, p. 2245 - 2252 (2007/10/03)

A series of styryl dyes: 2-substituted styryl benzimidazole and α-methyl-2-substituted styryl benzimidazole were synthesized under solvent-free microwave irradiation by the condensation of 2-methylbenzimidazole or 2-ethylbenzimidazole with aromatic aldehydes in the presence of Ac 2O.

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