1320-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1320-41-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,2 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1320-41:
(6*1)+(5*3)+(4*2)+(3*0)+(2*4)+(1*1)=38
38 % 10 = 8
So 1320-41-8 is a valid CAS Registry Number.