139034-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139034-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,3 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139034-76:
(8*1)+(7*3)+(6*9)+(5*0)+(4*3)+(3*4)+(2*7)+(1*6)=127
127 % 10 = 7
So 139034-76-7 is a valid CAS Registry Number.