118617-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118617-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,1 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118617-80:
(8*1)+(7*1)+(6*8)+(5*6)+(4*1)+(3*7)+(2*8)+(1*0)=134
134 % 10 = 4
So 118617-80-4 is a valid CAS Registry Number.
118617-80-4Relevant articles and documents
PROTECTION OF ALCOHOLS AS THEIR (p-METHOXYBENZYLOXY)METHYL ETHERS.
Kozikowski, Alan P.,Wu, Jiang-Ping
, p. 5125 - 5128 (2007/10/02)
Protection of even tertiary alcohols can be accomplished by treatment with p-methoxybenzyl chloromethyl ether.Deprotection can be effected under mild conditions using the DDQ reaction conditions described by Oikawa.