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93661-21-3

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93661-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93661-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,6 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93661-21:
(7*9)+(6*3)+(5*6)+(4*6)+(3*1)+(2*2)+(1*1)=143
143 % 10 = 3
So 93661-21-3 is a valid CAS Registry Number.

93661-21-3Relevant articles and documents

SYNTHESIS OF LYCOTETRAOSE

Takeo, Ken'Ichi,Nakaji, Toshio,Shinmitsu, Kazuyuki

, p. 275 - 288 (2007/10/02)

The title tetrasaccharide, namely, O-β-D-glucopyranosyl-(1->2)-O-3)>-O-β-D-glucopyranosyl-(1->4)-D-galactose, has been synthesized by Koenigs-Knorr type of condensations in a stepwise manner by way of the preparation of the di- and

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