1042634-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1042634-12-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,2,6,3 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1042634-12:
(9*1)+(8*0)+(7*4)+(6*2)+(5*6)+(4*3)+(3*4)+(2*1)+(1*2)=107
107 % 10 = 7
So 1042634-12-7 is a valid CAS Registry Number.