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188617-17-6

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188617-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188617-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,1 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 188617-17:
(8*1)+(7*8)+(6*8)+(5*6)+(4*1)+(3*7)+(2*1)+(1*7)=176
176 % 10 = 6
So 188617-17-6 is a valid CAS Registry Number.

188617-17-6Downstream Products

188617-17-6Relevant articles and documents

Towards the synthesis of epothilone A: Enantioselective preparation of the thiazole side-chain and macrocyclic ring closure

Taylor, Richard E.,Haley, Jeffrey D.

, p. 2061 - 2064 (2007/10/03)

A synthetic approach to a new class of microtubule-stabilizing natural products is described which employs a macrocyclic olefination strategy to cyclize the 16-membered lactone ring. The C13-C19 thiazole subunit of epothilone A and B is prepared in high enantioselectivity using a catalytic asymmetric allylation reaction.

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