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202061-61-8

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202061-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202061-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,0,6 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 202061-61:
(8*2)+(7*0)+(6*2)+(5*0)+(4*6)+(3*1)+(2*6)+(1*1)=68
68 % 10 = 8
So 202061-61-8 is a valid CAS Registry Number.

202061-61-8Relevant articles and documents

An efficient one-pot synthesis of 3-aryl-5-methylisoxazoles from aryl aldehydes

Zhu, Shirong,Shi, Shuhao,Gerritz, Samuel W.

, p. 4001 - 4004 (2011/08/21)

An efficient protocol for the one-pot preparation of alkyl 3-aryl-5-methylisoxazole-4-carboxylates from aryl aldehydes is described. This method is readily amenable to the large scale preparation of isoxazoles as well as the parallel synthesis of isoxazole libraries.

A facile one-pot preparation of isothiocyanates from aldoximes

Kim, Jae Nyoung,Jung, Keum Shin,Lee, Hong Jung,Son, Ji Suk

, p. 1597 - 1598 (2007/10/03)

Isothiocyanates 2a-l were prepared in excellent yields in a one-pot reaction from aldoxime derivatives 1a-l by successive treatment of aldoxime with N-chlorosuccinimide (NCS), thiourea, and triethylamine. The use of HCl/DMF/Oxone system in the reaction instead of NCS was equally effective.

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