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356793-34-5

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356793-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 356793-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,6,7,9 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 356793-34:
(8*3)+(7*5)+(6*6)+(5*7)+(4*9)+(3*3)+(2*3)+(1*4)=185
185 % 10 = 5
So 356793-34-5 is a valid CAS Registry Number.

356793-34-5Relevant articles and documents

A new procedure for the enantioselective vinylogous aldol reaction of Chan's diene

Villano, Rosaria,Acocella, Maria Rosaria,Massa, Antonio,Palombi, Laura,Scettri, Arrigo

, p. 3332 - 3334 (2007/10/03)

Chiral δ-hydroxy-β-ketoesters are easily available through the enantioselective vinylogous aldol reaction of Chan's diene promoted by a SiCl4/chiral phosphoramide catalytic system. The procedure is conveniently exploited for a very rapid approach to (+)-kavain, a natural bio-active α-pyrone compound.

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