139635-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139635-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,3 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139635-98:
(8*1)+(7*3)+(6*9)+(5*6)+(4*3)+(3*5)+(2*9)+(1*8)=166
166 % 10 = 6
So 139635-98-6 is a valid CAS Registry Number.