(2E,4Z,9E,11Z)-1,12-Di-tert-butyl-5,8-diphenyl-cyclotetradeca-2,4,9,11-tetraene-6,13-diyne-1,8-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 53900-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,0 and 0 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 53900-15: (7*5)+(6*3)+(5*9)+(4*0)+(3*0)+(2*1)+(1*5)=105 105 % 10 = 5 So 53900-15-5 is a valid CAS Registry Number.