Spiro[cyclohexane-1,1-indan]-3-amine (5CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 873400-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,4,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 873400-44: (8*8)+(7*7)+(6*3)+(5*4)+(4*0)+(3*0)+(2*4)+(1*4)=163 163 % 10 = 3 So 873400-44-3 is a valid CAS Registry Number.