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871822-42-3

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871822-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871822-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,2 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 871822-42:
(8*8)+(7*7)+(6*1)+(5*8)+(4*2)+(3*2)+(2*4)+(1*2)=183
183 % 10 = 3
So 871822-42-3 is a valid CAS Registry Number.

871822-42-3Upstream product

871822-42-3Relevant articles and documents

Enantioselective syntheses of trans-3,4-difluoropyrrolidines and investigation of their applications in catalytic asymmetric synthesis

Marson, Charles M.,Melling, Robert C.

, p. 9771 - 9779 (2005)

Asymmetric syntheses of enantiopure trans-3,4-difluoropyrrolidines have been prepared by the introduction of fluorine at both centers in a single operation; asymmetric epoxidations and additions to benzaldehyde were conducted using catalysts whose chirality depends on organofluorine asymmetry.

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