102641-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102641-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,4 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 102641-39:
(8*1)+(7*0)+(6*2)+(5*6)+(4*4)+(3*1)+(2*3)+(1*9)=84
84 % 10 = 4
So 102641-39-4 is a valid CAS Registry Number.