31886-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31886-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,8 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31886-26:
(7*3)+(6*1)+(5*8)+(4*8)+(3*6)+(2*2)+(1*6)=127
127 % 10 = 7
So 31886-26-7 is a valid CAS Registry Number.