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1299293-79-0

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1299293-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1299293-79-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,9,2,9 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1299293-79:
(9*1)+(8*2)+(7*9)+(6*9)+(5*2)+(4*9)+(3*3)+(2*7)+(1*9)=220
220 % 10 = 0
So 1299293-79-0 is a valid CAS Registry Number.

1299293-79-0Relevant articles and documents

Synthesis of the spirofungin a core via a domino strategy consisting of olefinic ester ring-closing metathesis and iodospiroacetalization

Neumaier, Jochen,Maier, Martin E.

, p. 187 - 190 (2011/03/22)

Olefination of ester 26 which was obtained from acid 20 and alkenol 25 using a reduced titanium ethylidene reagent led to cyclic enol ether 28 which could be cyclized by iodospiroacetalization to the spiroacetal core of the antifungal compound spirofungin

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