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70854-63-6

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70854-63-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70854-63-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70854-63:
(7*7)+(6*0)+(5*8)+(4*5)+(3*4)+(2*6)+(1*3)=136
136 % 10 = 6
So 70854-63-6 is a valid CAS Registry Number.

70854-63-6Relevant articles and documents

Synthetic studies on coenzyme Q10: Part 2 - A efficient and improved synthesis of coenzyme Q10 via the C5 + C 45 approach

Dai, Hui-Fang,Chen, Fen-Er,Yu, Xiong-Jie

, p. 1317 - 1321 (2007/10/03)

An improved route to coenzyme Q10 (1) starting from commercially available coenzyme Q1 is described. The key steps in this synthesis are the SeO2-mediated oxidation of the protected isoprenylhydroquinone 3 into the (E)-allyl alcohol 5 without the formation of undesired stereoisomer and the one-pot reductive elimination of the phenylsulfonyl and dibenzyl groups in 7 by using naphthalenyllithium.

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