205812-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205812-07-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,8,1 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 205812-07:
(8*2)+(7*0)+(6*5)+(5*8)+(4*1)+(3*2)+(2*0)+(1*7)=103
103 % 10 = 3
So 205812-07-3 is a valid CAS Registry Number.
205812-07-3Relevant articles and documents
A mild deprotection procedure for tert-butyl esters and tert-butyl ethers using ZnBr2 in methylene chloride
Wu, Yong-Qian,Limburg, David C.,Wilkinson, Douglas E.,Vaal, Mark J.,Hamilton, Gregory S.
, p. 2847 - 2849 (2000)
ZnBr2 in methylene chloride is a mild reagent for deprotecting tert- butyl esters and ethers. (C) 2000 Elsevier Science Ltd.