Cycloheptanecarbonitrile, 5,6-dimethoxy-2-oxo- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 532971-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,2,9,7 and 1 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 532971-14: (8*5)+(7*3)+(6*2)+(5*9)+(4*7)+(3*1)+(2*1)+(1*4)=155 155 % 10 = 5 So 532971-14-5 is a valid CAS Registry Number.