1256936-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256936-18-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,9,3 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1256936-18:
(9*1)+(8*2)+(7*5)+(6*6)+(5*9)+(4*3)+(3*6)+(2*1)+(1*8)=181
181 % 10 = 1
So 1256936-18-1 is a valid CAS Registry Number.