76950-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76950-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,5 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76950-91:
(7*7)+(6*6)+(5*9)+(4*5)+(3*0)+(2*9)+(1*1)=169
169 % 10 = 9
So 76950-91-9 is a valid CAS Registry Number.