121632-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121632-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,3 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121632-18:
(8*1)+(7*2)+(6*1)+(5*6)+(4*3)+(3*2)+(2*1)+(1*8)=86
86 % 10 = 6
So 121632-18-6 is a valid CAS Registry Number.