3,7-diphenyl-Δ2,4,7-dodecahydro-6,10-etheno-naphtho[1'',2'':3,4;7'',6'':3',4']dicyclobuta[1,2-d;1',2'-d']diisoxazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 20950-10-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,5 and 0 respectively; the second part has 2 digits, 1 and 0 respectively. Calculate Digit Verification of CAS Registry Number 20950-10: (7*2)+(6*0)+(5*9)+(4*5)+(3*0)+(2*1)+(1*0)=81 81 % 10 = 1 So 20950-10-1 is a valid CAS Registry Number.