4,4'-Bipyridine, 2,2'-diethyl-1,1',4,4'-tetrahydro-1,1',4,4',6,6'-hexamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 94887-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,8,8 and 7 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 94887-79: (7*9)+(6*4)+(5*8)+(4*8)+(3*7)+(2*7)+(1*9)=203 203 % 10 = 3 So 94887-79-3 is a valid CAS Registry Number.