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516457-75-3

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516457-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 516457-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,6,4,5 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 516457-75:
(8*5)+(7*1)+(6*6)+(5*4)+(4*5)+(3*7)+(2*7)+(1*5)=163
163 % 10 = 3
So 516457-75-3 is a valid CAS Registry Number.

516457-75-3Upstream product

516457-75-3Relevant articles and documents

Enantioselective synthesis of 15-epi-haterumalide NA methyl ester and revised structure of haterumalide NA

Kigoshi, Hideo,Kita, Masaki,Ogawa, Seiji,Itoh, Masahiro,Uemura, Daisuke

, p. 957 - 960 (2007/10/03)

(Matrix presented). The enantioselective synthesis of the enantiomer of the haterumalide NA methyl ester, a cytotoxic macrolide from an Okinawan sponge, was achieved from the threitol derivative in 26 steps. The key steps are the stereoselective construct

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