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53270-44-3

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53270-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53270-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,2,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53270-44:
(7*5)+(6*3)+(5*2)+(4*7)+(3*0)+(2*4)+(1*4)=103
103 % 10 = 3
So 53270-44-3 is a valid CAS Registry Number.

53270-44-3Relevant articles and documents

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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