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1227670-21-4

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1227670-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227670-21-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,6,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1227670-21:
(9*1)+(8*2)+(7*2)+(6*7)+(5*6)+(4*7)+(3*0)+(2*2)+(1*1)=144
144 % 10 = 4
So 1227670-21-4 is a valid CAS Registry Number.

1227670-21-4Downstream Products

1227670-21-4Relevant articles and documents

Catalyst-free tandem Michael addition-cyclization reactions in aqueous media for the synthesis of benzimidazo[1,2-a]pyrimidinone derivatives

Ren, Chuanli,Wang, Yan,Wang, Dong,Chen, Yongjun,Liu, Li

experimental part, p. 1492 - 1496 (2010/11/05)

The catalyst-free reactions of Baylis-Hillman alcohols (1a-i) with 2-aminobenzimidazole (2) in THF-H2O (1:4) were developed for the convenient and greener synthesis of benzimidazo[1,2-a]pyrimidinone derivatives (3a-i). The pesticidal activities of 3a-i were examined to investigate a new biological activity of the imidazo[1,2-a]pyrimidinone-type compounds.

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