1622396-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622396-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,3,9 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1622396-77:
(9*1)+(8*6)+(7*2)+(6*2)+(5*3)+(4*9)+(3*6)+(2*7)+(1*7)=173
173 % 10 = 3
So 1622396-77-3 is a valid CAS Registry Number.