861621-96-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861621-96-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,6,2 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 861621-96:
(8*8)+(7*6)+(6*1)+(5*6)+(4*2)+(3*1)+(2*9)+(1*6)=177
177 % 10 = 7
So 861621-96-7 is a valid CAS Registry Number.