1421320-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421320-21-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,3,2 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1421320-21:
(9*1)+(8*4)+(7*2)+(6*1)+(5*3)+(4*2)+(3*0)+(2*2)+(1*1)=89
89 % 10 = 9
So 1421320-21-9 is a valid CAS Registry Number.
1421320-21-9Relevant articles and documents
MERCAPTO-BENZOPHENONE COMPOUNDS, COMPOSITIONS AND PREPARATION METHODS THEREOF
-
, (2014/06/24)
The present invention provides a photocurable composition prepared using mercapto benzophenone compounds as key raw materials. The present invention aims to solve the problems existing in the prior photo-curing technology that low-molecular photoinitiator