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121911-32-8

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121911-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121911-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,1 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121911-32:
(8*1)+(7*2)+(6*1)+(5*9)+(4*1)+(3*1)+(2*3)+(1*2)=88
88 % 10 = 8
So 121911-32-8 is a valid CAS Registry Number.

121911-32-8Relevant articles and documents

An economical and convenient synthesis of vinyl sulfones

Guan, Zheng-Hui,Zuo, Wei,Zhao, Lian-Biao,Ren, Zhi-Hui,Liang, Yong-Min

, p. 1465 - 1470 (2007)

A general process for the efficient synthesis of vinyl sulfones has been developed using commercially available sulfinic acid sodium salts and dibromides. A variety of phenyl and methyl vinyl sulfones have been formed in good yields, in the absence of any catalyst. Georg Thieme Verlag Stuttgart.

Phenylsulphonyloxiranes as Functional Acyl Anion Equivalents in Organic Synthesis

Ashwell, Mark,Clegg, William,Jackson, Richard F. W.

, p. 897 - 908 (2007/10/02)

Phenylsulphonyloxiranes can be lithiated with butyllithium α to the phenylsulphonyl group at low temperature.The anions formed are unstable, but sufficiently reactive to allow the isolation of adducts in good yield following treatment with a variety of el

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