1386331-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1386331-56-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,6,3,3 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1386331-56:
(9*1)+(8*3)+(7*8)+(6*6)+(5*3)+(4*3)+(3*1)+(2*5)+(1*6)=171
171 % 10 = 1
So 1386331-56-1 is a valid CAS Registry Number.