1166-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1166-98-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,6 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1166-98:
(6*1)+(5*1)+(4*6)+(3*6)+(2*9)+(1*8)=79
79 % 10 = 9
So 1166-98-9 is a valid CAS Registry Number.
1166-98-9Relevant 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 (2007/10/02)
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).