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197297-76-0

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197297-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197297-76-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,9 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 197297-76:
(8*1)+(7*9)+(6*7)+(5*2)+(4*9)+(3*7)+(2*7)+(1*6)=200
200 % 10 = 0
So 197297-76-0 is a valid CAS Registry Number.

197297-76-0Relevant articles and documents

Preparation of Enantiopure Precursors for the Vitamin E Synthesis. A Comparison of the Asymmetric Allylation of Ketones and the Sharpless Bishydroxylation

Tietze, Lutz F.,G?rlitzer, Jochen

, p. 1049 - 1050 (1997)

The enantioselective synthesis of the precursors 9, 10, 16 and 17 for the preparation of enantiopure vitamin E by asymmetric allylation of the ketone 6 and Sharpless bishydroxylation of the aliphatic alkenes 11 and 15 is described.

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