77958-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77958-35-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,5 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77958-35:
(7*7)+(6*7)+(5*9)+(4*5)+(3*8)+(2*3)+(1*5)=191
191 % 10 = 1
So 77958-35-1 is a valid CAS Registry Number.