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28538-26-3

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28538-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28538-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,3 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28538-26:
(7*2)+(6*8)+(5*5)+(4*3)+(3*8)+(2*2)+(1*6)=133
133 % 10 = 3
So 28538-26-3 is a valid CAS Registry Number.

28538-26-3Relevant articles and documents

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Brimacombe,Minshall

, p. 267 (1972)

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SYNTHESIS OF CRYSTALLINE DERIVATIVES OF 6-DEOXY-D-ALLO- AND -L-TALO-FURANOSYL BROMIDE SUITABLE FOR NUCLEOSIDE SYNTHESIS

Khadem, Hassan S. El,Nelson, Victor

, p. 195 - 202 (2007/10/02)

6-Deoxy-2,3,5-tri-O-(p-nitrobenzoyl)-beta-D-allo- and -alpha-L-talo-furanosyl bromide (6 and 11) have been synthesized from methyl 2,3-O-isopropylidene-beta-D-ribo-pentodialdo-1,4-furanoside (1).Treatment of 1 with methyl Grignard reagent, followed by (p-

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