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1629281-17-9

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1629281-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1629281-17-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,9,2,8 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1629281-17:
(9*1)+(8*6)+(7*2)+(6*9)+(5*2)+(4*8)+(3*1)+(2*1)+(1*7)=179
179 % 10 = 9
So 1629281-17-9 is a valid CAS Registry Number.

1629281-17-9Relevant articles and documents

Total synthesis of (2RS)-α-tocopherol through Ni-catalyzed 1,4-addition to a chromenone intermediate

Termath, Andreas Ole,Velder, Janna,Stemmler, Rene T.,Netscher, Thomas,Bonrath, Werner,Schmalz, Hans-Guenther

supporting information, p. 3337 - 3340 (2014/06/09)

A novel strategy for the total synthesis of α-tocopherol ("vitamin E") was elaborated on the basis of the conjugate addition of AlMe3 (as a methyl anion equivalent) to a 2-substituted chromenone. Starting from trimethylhydroquinone and (R,R)-he

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