252561-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252561-93-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,5,6 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 252561-93:
(8*2)+(7*5)+(6*2)+(5*5)+(4*6)+(3*1)+(2*9)+(1*3)=136
136 % 10 = 6
So 252561-93-6 is a valid CAS Registry Number.