2',5',5'-triphenyl-(3ar,7at)-3a,4,5,6,7,7a-hexahydro-spiro[benzo[1,3]dithiole-2,4'-thiazole] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 61145-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,1,4 and 5 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 61145-05: (7*6)+(6*1)+(5*1)+(4*4)+(3*5)+(2*0)+(1*5)=89 89 % 10 = 9 So 61145-05-9 is a valid CAS Registry Number.