855661-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855661-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,6 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855661-32:
(8*8)+(7*5)+(6*5)+(5*6)+(4*6)+(3*1)+(2*3)+(1*2)=194
194 % 10 = 4
So 855661-32-4 is a valid CAS Registry Number.