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2227-65-8

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2227-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2227-65-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,2 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2227-65:
(6*2)+(5*2)+(4*2)+(3*7)+(2*6)+(1*5)=68
68 % 10 = 8
So 2227-65-8 is a valid CAS Registry Number.

2227-65-8Downstream Products

2227-65-8Relevant articles and documents

Br?nsted acid-promoted thiazole synthesis under metal-free conditions using sulfur powder as the sulfur source

Ni, Penghui,Tan, Jing,Li, Rong,Huang, Huawen,Zhang, Feng,Deng, Guo-Jun

, p. 3931 - 3935 (2020/02/04)

A Br?nsted acid-promoted sulfuration/annulation reaction for the one-pot synthesis of bis-substituted thiazoles from benzylamines, acetophenones, and sulfur powder has been developed. One C-N bond and multi C-S bonds were selectively formed in one pot. The choice of the Br?nsted acid was the key to the high efficiency of this transformation under metal-free conditions.

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