100681-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100681-53-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,8 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100681-53:
(8*1)+(7*0)+(6*0)+(5*6)+(4*8)+(3*1)+(2*5)+(1*3)=86
86 % 10 = 6
So 100681-53-6 is a valid CAS Registry Number.