205651-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205651-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,5 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 205651-88:
(8*2)+(7*0)+(6*5)+(5*6)+(4*5)+(3*1)+(2*8)+(1*8)=123
123 % 10 = 3
So 205651-88-3 is a valid CAS Registry Number.