1386447-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1386447-81-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,6,4,4 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1386447-81:
(9*1)+(8*3)+(7*8)+(6*6)+(5*4)+(4*4)+(3*7)+(2*8)+(1*1)=199
199 % 10 = 9
So 1386447-81-9 is a valid CAS Registry Number.