1881275-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1881275-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,8,1,2,7 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1881275-91:
(9*1)+(8*8)+(7*8)+(6*1)+(5*2)+(4*7)+(3*5)+(2*9)+(1*1)=207
207 % 10 = 7
So 1881275-91-7 is a valid CAS Registry Number.