141642-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141642-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,6,4 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 141642-57:
(8*1)+(7*4)+(6*1)+(5*6)+(4*4)+(3*2)+(2*5)+(1*7)=111
111 % 10 = 1
So 141642-57-1 is a valid CAS Registry Number.
141642-57-1Relevant articles and documents
A general method for the synthesis of 1,1-difluoroalkylphosphonates
Martin,Dean,Wagman
, p. 1839 - 1842 (2007/10/02)
A facile method for preparing 1,1-difluoroalkylphosphonates has been developed that features radical deoxygenation of thionocarbonates derived from the adducts formed upon addition of 9 to aldehydes.