1606993-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1606993-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,6,9,9 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1606993-84:
(9*1)+(8*6)+(7*0)+(6*6)+(5*9)+(4*9)+(3*3)+(2*8)+(1*4)=203
203 % 10 = 3
So 1606993-84-3 is a valid CAS Registry Number.