Cyclopentanone, 3-(5-fluoro-1H-indol-3-yl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 675831-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,8,3 and 1 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 675831-63: (8*6)+(7*7)+(6*5)+(5*8)+(4*3)+(3*1)+(2*6)+(1*3)=197 197 % 10 = 7 So 675831-63-7 is a valid CAS Registry Number.