Cyclopentane, (ethoxyethynyl)- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 343269-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,6 and 9 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 343269-39: (8*3)+(7*4)+(6*3)+(5*2)+(4*6)+(3*9)+(2*3)+(1*9)=146 146 % 10 = 6 So 343269-39-6 is a valid CAS Registry Number.