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87515-20-6

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87515-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87515-20-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87515-20:
(7*8)+(6*7)+(5*5)+(4*1)+(3*5)+(2*2)+(1*0)=146
146 % 10 = 6
So 87515-20-6 is a valid CAS Registry Number.

87515-20-6Relevant articles and documents

1,3(R):4,6(R)-DI-O-BENZYLIDEN-D-MANNIT ALS AUSGANGSPRODUKT FUER DIE SYNTHESE OPTISCH AKTIVER GLYCERIN-DERIVATE

Schubert, Thomas,Kunisch, Franz,Welzel, Peter

, p. 2211 - 2217 (2007/10/02)

Starting from the di-O-benzylidene-D-mannitol derivative 11, certain types of optically active glycerol derivatives can be prepared with a minimum of protecting group chemistry.This is exemplified by an efficient synthesis of 2-O-alkyl glyceric acid derivatives 22 and 23.

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