726691-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 726691-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,6,6,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 726691-41:
(8*7)+(7*2)+(6*6)+(5*6)+(4*9)+(3*1)+(2*4)+(1*1)=184
184 % 10 = 4
So 726691-41-4 is a valid CAS Registry Number.