81418-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81418-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,1 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81418-07:
(7*8)+(6*1)+(5*4)+(4*1)+(3*8)+(2*0)+(1*7)=117
117 % 10 = 7
So 81418-07-7 is a valid CAS Registry Number.
81418-07-7Relevant articles and documents
THE DI-t-BUTYLSILYLENE PROTECTING GROUP FOR DIOLS
Trost, Barry M.,Caldwell, Charles G.
, p. 4999 - 5002 (2007/10/02)
Di-t-butyldichlorosilane reacts with diols to yield the corresponding di-t-butylsilylene derivatives.This useful protecting group is readily removed by treatment with pyridinium hydrofluoride.