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194935-02-9

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194935-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194935-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,9,3 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 194935-02:
(8*1)+(7*9)+(6*4)+(5*9)+(4*3)+(3*5)+(2*0)+(1*2)=169
169 % 10 = 9
So 194935-02-9 is a valid CAS Registry Number.

194935-02-9Relevant articles and documents

Asymmetric synthesis of 3,5-dihydroxy-6(E)-heptenoate-containing HMG-CoA reductase inhibitors

Tempkin, Orin,Abel, Stephan,Chen, Chung-Pin,Underwood, Russell,Prasad, Kapa,Chen, Kau-Ming,Repic, Oljan,Blacklock, Thomas J.

, p. 10659 - 10670 (2007/10/03)

A 'one-pot' conversion of aldehyde 6 to hydroxyketoester 10 with high enantioselection, culminating in a practical asymmetric synthesis of (3R,5S) isomer of the antihyperlipoproteinemic agent fluvastatin, 1, is described. All four 3,5-dihydroxy-6(E)-heptenoate stereoisomers were prepared in enantiopure form starting from 10, utilizing selective reduction and oxidation methods.

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