38100-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38100-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,1,0 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38100-81:
(7*3)+(6*8)+(5*1)+(4*0)+(3*0)+(2*8)+(1*1)=91
91 % 10 = 1
So 38100-81-1 is a valid CAS Registry Number.