4436-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4436-15-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,3 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4436-15:
(6*4)+(5*4)+(4*3)+(3*6)+(2*1)+(1*5)=81
81 % 10 = 1
So 4436-15-1 is a valid CAS Registry Number.