1346665-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1346665-77-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,6,6 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1346665-77:
(9*1)+(8*3)+(7*4)+(6*6)+(5*6)+(4*6)+(3*5)+(2*7)+(1*7)=187
187 % 10 = 7
So 1346665-77-7 is a valid CAS Registry Number.