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622840-40-8

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622840-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 622840-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,2,8,4 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 622840-40:
(8*6)+(7*2)+(6*2)+(5*8)+(4*4)+(3*0)+(2*4)+(1*0)=138
138 % 10 = 8
So 622840-40-8 is a valid CAS Registry Number.

622840-40-8Relevant articles and documents

New reagent for the optical resolution of ketones: (-) (1R, 2R, 5R)-5-methyl-2-(1-mercapto-1-methylethyl)-cyclohexanol. Application to trans dimethyl cyclopentanone-3,4-dicarboxylate

Solladie,Lohse

, p. 1547 - 1552 (1993)

(-) (1R, 2R, 5R)-5-methyl-2-(1-mercapto-1-methylethyl)-cyclohexanol was shown to be a very powerful agent for the optical resolution of ketones. It was used for the resolution of trans dimethyl cyclopentanone-3,4-dicarboxylate combined with the epimerizat

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