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123518-88-7

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123518-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123518-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,1 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123518-88:
(8*1)+(7*2)+(6*3)+(5*5)+(4*1)+(3*8)+(2*8)+(1*8)=117
117 % 10 = 7
So 123518-88-7 is a valid CAS Registry Number.

123518-88-7Relevant 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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