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1225465-13-3

1225465-13-3

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1225465-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1225465-13-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,4,6 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1225465-13:
(9*1)+(8*2)+(7*2)+(6*5)+(5*4)+(4*6)+(3*5)+(2*1)+(1*3)=133
133 % 10 = 3
So 1225465-13-3 is a valid CAS Registry Number.

1225465-13-3Relevant articles and documents

Asymmetric synthesis of spiro-3,4-dihydropyrans via a domino organocatalytic sequence

Yao, Weijun,Pan, Lianjie,Wu, Yihua,Ma, Cheng

supporting information; scheme or table, p. 2422 - 2425 (2010/08/05)

A cinchona alkaloid-catalyzed domino Michael/hemiacetalization reaction of cyclic β-oxo aldehydes and aromatic β,γ-unsaturated α-keto esters, resulting in the formation of spiro-dihydropyran architectures in good yield with high stereoselectivity (up to 97% ee), is presented.

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