1034921-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1034921-07-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,4,9,2 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1034921-07:
(9*1)+(8*0)+(7*3)+(6*4)+(5*9)+(4*2)+(3*1)+(2*0)+(1*7)=117
117 % 10 = 7
So 1034921-07-7 is a valid CAS Registry Number.