26312-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26312-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,1 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26312-90:
(7*2)+(6*6)+(5*3)+(4*1)+(3*2)+(2*9)+(1*0)=93
93 % 10 = 3
So 26312-90-3 is a valid CAS Registry Number.