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1202747-69-0

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1202747-69-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202747-69-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,7,4 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1202747-69:
(9*1)+(8*2)+(7*0)+(6*2)+(5*7)+(4*4)+(3*7)+(2*6)+(1*9)=130
130 % 10 = 0
So 1202747-69-0 is a valid CAS Registry Number.

1202747-69-0Relevant articles and documents

A practical synthesis of cephalostatin 1

Shi, Yong,Jia, Lanqi,Xiao, Qing,Lan, Quan,Tang, Xiaohu,Wang, Dahai,Li, Min,Ji, Yu,Zhou, Tao,Tian, Weisheng

, p. 786 - 790 (2011/10/09)

Let's get practical: A new practical synthetic strategy for natural sterols starting from pregnan-(16S,20S)-diols and steroid-(16S),22-lactones is presented. A tandem double oxymercuration-demercuration and a substitution-ketalization cascade are consider

Enantioselective synthesis of (+)-cephalostatin 1

Fortner, Kevin C.,Kato, Darryl,Tanaka, Yoshiki,Shair, Matthew D.

supporting information; experimental part, p. 275 - 280 (2010/03/25)

This Article describes an enantioselective synthesis of cephalostatin 1. Key steps of this synthesis are a unique methyl group selective allylic oxidation, directed C-H hydroxylation of a sterol at C12, Au(I)-catalyzed 5-endo-dig cyclization, and a kinetic spiroketalization.

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