200348-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200348-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 200348-81:
(8*2)+(7*0)+(6*0)+(5*3)+(4*4)+(3*8)+(2*8)+(1*1)=88
88 % 10 = 8
So 200348-81-8 is a valid CAS Registry Number.