121561-14-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121561-14-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,6 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121561-14:
(8*1)+(7*2)+(6*1)+(5*5)+(4*6)+(3*1)+(2*1)+(1*4)=86
86 % 10 = 6
So 121561-14-6 is a valid CAS Registry Number.