23386-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23386-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,8 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 23386-91:
(7*2)+(6*3)+(5*3)+(4*8)+(3*6)+(2*9)+(1*1)=116
116 % 10 = 6
So 23386-91-6 is a valid CAS Registry Number.