912556-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 912556-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,5,5 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 912556-68:
(8*9)+(7*1)+(6*2)+(5*5)+(4*5)+(3*6)+(2*6)+(1*8)=174
174 % 10 = 4
So 912556-68-4 is a valid CAS Registry Number.