79841-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79841-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,4 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79841-69:
(7*7)+(6*9)+(5*8)+(4*4)+(3*1)+(2*6)+(1*9)=183
183 % 10 = 3
So 79841-69-3 is a valid CAS Registry Number.