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138080-23-6

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138080-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138080-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,8 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138080-23:
(8*1)+(7*3)+(6*8)+(5*0)+(4*8)+(3*0)+(2*2)+(1*3)=116
116 % 10 = 6
So 138080-23-6 is a valid CAS Registry Number.

138080-23-6Relevant articles and documents

SILAFUNCTIONAL COMPOUNDS IN ORGANIC SYNTHESIS. 27. (ISOPROPOXYDIMETHYLSILYL)METHYL GRIGNARD REAGENT: A NEW NUCLEOPHILIC HYDROXYMETHYLATING AGENT FOR ALDEHYDES AND KETONES

Tamao, Kohei,Ishida, Neyoshi

, p. 4245 - 4248 (1984)

Nucleophilic hydroxymethylation of aldehydes and ketones has been achieved by the reaction with the (isopropoxydimethylsilyl)methyl Grignard reagent and the subsequent oxidative cleavage of the carbon-silicon bond.

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