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134744-47-1

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134744-47-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134744-47-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,4 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134744-47:
(8*1)+(7*3)+(6*4)+(5*7)+(4*4)+(3*4)+(2*4)+(1*7)=131
131 % 10 = 1
So 134744-47-1 is a valid CAS Registry Number.

134744-47-1Downstream Products

134744-47-1Relevant articles and documents

Stereocontrolled synthesis of erythronolides A and B in a (C5-C9) + (C3-C4) + (C1-C2) + (C11-C13) sequence from 1,6-anhydro-β-D-glycopyranose (levoglucosan). Part 1. Synthesis of C1-C10 and C11-C13 segments

Sviridov,Borodkin,Ermolenko,Yashunsky,Kochetkov

, p. 2291 - 2316 (2007/10/02)

An approach to the synthesis of aglycones of macrolide antibiotics erythromycin A and B is discussed and preparation of common C1-C10 and C11-C13 segments starting from levoglucosane is described.

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