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871938-09-9

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871938-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871938-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,3 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 871938-09:
(8*8)+(7*7)+(6*1)+(5*9)+(4*3)+(3*8)+(2*0)+(1*9)=209
209 % 10 = 9
So 871938-09-9 is a valid CAS Registry Number.

871938-09-9Downstream Products

871938-09-9Relevant articles and documents

Michael, Michael-aldol and Michael-Michael reactions of enolate equivalents of butane-2,3-diacetal protected glycolic acid derivatives

Ley, Steven V.,Dixon, Darren J.,Guy, Richard T.,Rodriguez, Felix,Sheppard, Tom D.

, p. 4095 - 4107 (2007/10/03)

Consecutive coupling reactions of butane-2,3-diacetal protected glycolic acid derivatives with Michael acceptors and aldehydes are reported. An enantiopure sample of this building block was used to kinetically resolve a chiral Michael acceptor present as a racemic mixture of enantiomers. The Royal Society of Chemistry 2005.

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