144708-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144708-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,0 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144708-81:
(8*1)+(7*4)+(6*4)+(5*7)+(4*0)+(3*8)+(2*8)+(1*1)=136
136 % 10 = 6
So 144708-81-6 is a valid CAS Registry Number.
144708-81-6Relevant articles and documents
A refined method for the removal of the methoxymethyl (MOM) protecting group for carbinols with acidic ion-exchange resin
Seto,Mander
, p. 2823 - 2828 (1992)
The methoxymethyl protecting group for carbinols is best removed from acid-sensitive substrates by hydrolysis in aqueous methanol using a cationic exchange resin (Dowex-50W).