1,4-Disilabicyclo[2.2.2]octa-2,5,7-triene,
1,2,3,4,5,6-hexamethyl-7,8-bis(trifluoromethyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 83447-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,4 and 7 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 83447-57: (7*8)+(6*3)+(5*4)+(4*4)+(3*7)+(2*5)+(1*7)=148 148 % 10 = 8 So 83447-57-8 is a valid CAS Registry Number.