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774234-70-7

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774234-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 774234-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,2,3 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 774234-70:
(8*7)+(7*7)+(6*4)+(5*2)+(4*3)+(3*4)+(2*7)+(1*0)=177
177 % 10 = 7
So 774234-70-7 is a valid CAS Registry Number.

774234-70-7Relevant articles and documents

Asymmetric intramolecular Michael addition of α-sulfinyl vinylic carbanion to enoates

Meazaki, Naoyoshi,Sawamoto, Hiroaki,Yuyama, Sachiko,Yoshigami, Ryoko,Suzuki, Tomoko,Izumi, Mayuko,Ohishi, Hirofumi,Tanaka, Tetsuaki

, p. 6335 - 6340 (2007/10/03)

The first example of an asymmetric intramolecular Michael addition reaction with use of α-lithiated vinylic sulfoxide as a Michael donor is reported. Michael addition of the α-lithiated vinylic sulfoxide to (Z)-enoates proceeds with high diastereoselectiv

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