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213611-68-8

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213611-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213611-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,6,1 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 213611-68:
(8*2)+(7*1)+(6*3)+(5*6)+(4*1)+(3*1)+(2*6)+(1*8)=98
98 % 10 = 8
So 213611-68-8 is a valid CAS Registry Number.

213611-68-8Relevant articles and documents

A new route to the asymmetric synthesis of (-)-malyngolide and (-)-epi- malyngolide using N-sulfonyl-l,3-oxazolidines as chiral auxiliaries

Winter, Eric,Hoppe, Dieter

, p. 10329 - 10338 (1998)

(-)-Malyngolide (1), an antibiotically active δ-lactone, and its epimer 10 were prepared enantioselectively using [2R,2(1S),4R]- and [2R,2(1R),4R]- 4-ethyl-3-(2-nitrobenzenesulfonyl)-2-(1-nonyl-2-oxocyclopentyl)-1,3- oxazolidine (5a and 5b) as key-interme

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