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128856-00-8

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128856-00-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128856-00-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,5 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128856-00:
(8*1)+(7*2)+(6*8)+(5*8)+(4*5)+(3*6)+(2*0)+(1*0)=148
148 % 10 = 8
So 128856-00-8 is a valid CAS Registry Number.

128856-00-8Upstream product

128856-00-8Relevant articles and documents

SYNTHESIS OF MACROLIDE ANTIBIOTIC. 20. SYNTHESIS OF ERYTHRONOLIDE A

Sviridov, A. F.,Ermolenko, M. S.,Yashunskii, D. V.,Borodkin, V. S.,Kochetkov, N. K.

, p. 179 - 183 (2007/10/02)

A complete, stereocontrolled synthesis for erythronolide A was carried out by fusion of the (C9-C13) + (C7-C8) + (C%&1-C6) fragments from levoglucosan in 61 steps with 0.28percent total yield.

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