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1414943-90-0

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1414943-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1414943-90-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,4,9,4 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1414943-90:
(9*1)+(8*4)+(7*1)+(6*4)+(5*9)+(4*4)+(3*3)+(2*9)+(1*0)=160
160 % 10 = 0
So 1414943-90-0 is a valid CAS Registry Number.

1414943-90-0Downstream Products

1414943-90-0Relevant articles and documents

One-pot synthesis of polysubstituted imidazoles from arylaldehydes in water catalyzed by nhc using microwave irradiation

Wu, Lei,Jing, Xiaobi,Zhu, Hongxiang,Liu, Yinlin,Yan, Chaoguo

, p. 1204 - 1207 (2013/03/28)

A simple, high yielding synthesis of tri (3a-i) and tetrasubstituted (4a-g) imidazols from aldehydes is described. The cornerstone of this methodology involves the condensation of NH4OAc, substituted aldehydes, and benzoin, which is synthesized in situ from aldehydes catalyzed by N-heterocyclic carbine (NHC), under microwave irradiation in water to afford trisubstituted imidazoles (3a-i). If arylamine is added in the solution, tetrasubstituted imidazoles (4a-g) can be obtained. Lepidilines B and trifenagrel are also synthesized in high yield using this procedure. All the experiment deta are in agreement with the literature.

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