4,4'-Bipyridine, 4,4'-diethyl-1,1',4,4'-tetrahydro-1,1',2,2',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 94887-80-6 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, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 94887-80: (7*9)+(6*4)+(5*8)+(4*8)+(3*7)+(2*8)+(1*0)=196 196 % 10 = 6 So 94887-80-6 is a valid CAS Registry Number.