Furo[3,4-b]pyridine-3-carboxylic acid,
1,4,5,7-tetrahydro-2,5,5,7,7-pentamethyl-4-(3-nitrophenyl)-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 66201-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,0 and 1 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 66201-85: (7*6)+(6*6)+(5*2)+(4*0)+(3*1)+(2*8)+(1*5)=112 112 % 10 = 2 So 66201-85-2 is a valid CAS Registry Number.