101656-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101656-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,6,5 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 101656-20:
(8*1)+(7*0)+(6*1)+(5*6)+(4*5)+(3*6)+(2*2)+(1*0)=86
86 % 10 = 6
So 101656-20-6 is a valid CAS Registry Number.