121129-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121129-38-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,2 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121129-38:
(8*1)+(7*2)+(6*1)+(5*1)+(4*2)+(3*9)+(2*3)+(1*8)=82
82 % 10 = 2
So 121129-38-2 is a valid CAS Registry Number.