6958-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6958-76-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,5 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6958-76:
(6*6)+(5*9)+(4*5)+(3*8)+(2*7)+(1*6)=145
145 % 10 = 5
So 6958-76-5 is a valid CAS Registry Number.