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1068660-66-1

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1068660-66-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1068660-66-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,6,8,6,6 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1068660-66:
(9*1)+(8*0)+(7*6)+(6*8)+(5*6)+(4*6)+(3*0)+(2*6)+(1*6)=171
171 % 10 = 1
So 1068660-66-1 is a valid CAS Registry Number.

1068660-66-1Downstream Products

1068660-66-1Relevant articles and documents

CuI/L-proline-catalyzed synthesis of vinyl sulfides in 95% alcohol

Guo, Sheng-Rong,Yuan, Yan-Qin

experimental part, p. 2722 - 2730 (2009/04/04)

A method for the synthesis of vinyl sulfides using the simple CuI/L-proline as a catalyst system is reported. The best yields were obtained in the 95% ethanol with 10 mol% CuI, 20 mol% L-proline, and 1.2 equiv of K2CO3. The amino acids act as base and excellent promoter for the copper-catalyzed coupling reactions, and this protocol tolerates both aromatic and heterocyclic thiols and avoids using other expensive additives. Copyright ? Taylor & Francis Group, LLC.

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