204336-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204336-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,3,3 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 204336-41:
(8*2)+(7*0)+(6*4)+(5*3)+(4*3)+(3*6)+(2*4)+(1*1)=94
94 % 10 = 4
So 204336-41-4 is a valid CAS Registry Number.