91166-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91166-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,6 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91166-52:
(7*9)+(6*1)+(5*1)+(4*6)+(3*6)+(2*5)+(1*2)=128
128 % 10 = 8
So 91166-52-8 is a valid CAS Registry Number.
91166-52-8Relevant articles and documents
PROTECTION OF SUBSTITUTED ANILINES WITH 1,1,4,4-TETRAMETHYL-1,4-BIS(N,N-DIMETHYLAMINO)DISYLETHYLENE
Guggenheim, Thomas L.
, p. 1253 - 1254 (2007/10/02)
A simple high yield method has been developed for the protection of substituted anilines with 1,1,4,4-tetramethyl-1,4-bis(N,N-dimethylamino)disylethylene.