(1R,4S,5S,8S,9S,10S,12S)-5,10-dimethyl-7,13-dioxa-1,4,8,9,12-tetracyclo<10.2.1.01,9.04,8>pentadecan-6,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 74284-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,8 and 4 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 74284-13: (7*7)+(6*4)+(5*2)+(4*8)+(3*4)+(2*1)+(1*3)=132 132 % 10 = 2 So 74284-13-2 is a valid CAS Registry Number.