76939-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76939-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76939-23:
(7*7)+(6*6)+(5*9)+(4*3)+(3*9)+(2*2)+(1*3)=176
176 % 10 = 6
So 76939-23-6 is a valid CAS Registry Number.