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669-32-9

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669-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669-32-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 669-32:
(5*6)+(4*6)+(3*9)+(2*3)+(1*2)=89
89 % 10 = 9
So 669-32-9 is a valid CAS Registry Number.

669-32-9Relevant articles and documents

Highly efficient and eco-friendly protocol to functionalized imidazoles via ring-opening of α-nitro epoxides

Guo, Xiao,Shao, Jiaan,Liu, Huan,Chen, Binhui,Chen, Wenteng,Yu, Yongping

, p. 51559 - 51562 (2015/06/25)

A simple and direct synthesis of functionalized imidazoles from α-nitro-epoxides and amidines was developed. This reaction could proceed smoothly in a highly efficient and eco-friendly manner in moderate to excellent yields. A plausible mechanism has also

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