206278-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206278-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,2,7 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 206278-18:
(8*2)+(7*0)+(6*6)+(5*2)+(4*7)+(3*8)+(2*1)+(1*8)=124
124 % 10 = 4
So 206278-18-4 is a valid CAS Registry Number.