1309645-82-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309645-82-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,6,4 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1309645-82:
(9*1)+(8*3)+(7*0)+(6*9)+(5*6)+(4*4)+(3*5)+(2*8)+(1*2)=166
166 % 10 = 6
So 1309645-82-6 is a valid CAS Registry Number.