956805-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 956805-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,6,8,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 956805-89:
(8*9)+(7*5)+(6*6)+(5*8)+(4*0)+(3*5)+(2*8)+(1*9)=223
223 % 10 = 3
So 956805-89-3 is a valid CAS Registry Number.