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169141-83-7

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169141-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169141-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,4 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169141-83:
(8*1)+(7*6)+(6*9)+(5*1)+(4*4)+(3*1)+(2*8)+(1*3)=147
147 % 10 = 7
So 169141-83-7 is a valid CAS Registry Number.

169141-83-7Downstream Products

169141-83-7Relevant articles and documents

Improved protocol for the three-component Biginelli reactions and Biginelli-like Mannich reactions of carbamates, aldehydes, and ketones

Xu, Li-Wen,Wang, Zong-Ting,Xia, Chun-Gu,Li, Lyi,Zhao, Pei-Qing

, p. 2608 - 2612 (2004)

A mild, convenient, and improved method for the direct three-component Biginelli and Biginelli-like Mannich-type reactions of carbonyl compounds in the presence of inexpensive FeCl3·6 H2O and Me 3SiCl as catalysts is descr

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