856954-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856954-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,5 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 856954-26:
(8*8)+(7*5)+(6*6)+(5*9)+(4*5)+(3*4)+(2*2)+(1*6)=222
222 % 10 = 2
So 856954-26-2 is a valid CAS Registry Number.