(1R,3S,5R,8S,11S)-3,5-Dimethyl-7-oxo-2,6-dioxa-tricyclo[9.2.2.01,8]pentadeca-9,14-diene-12,12,13,13-tetracarbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 201848-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,4 and 8 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 201848-53: (8*2)+(7*0)+(6*1)+(5*8)+(4*4)+(3*8)+(2*5)+(1*3)=115 115 % 10 = 5 So 201848-53-5 is a valid CAS Registry Number.