Thieno[2,3-b]pyridine-2-carboxylic acid,
6,7-dihydro-6-oxo-4-(trifluoromethyl)-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 380419-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,4,1 and 9 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 380419-63: (8*3)+(7*8)+(6*0)+(5*4)+(4*1)+(3*9)+(2*6)+(1*3)=146 146 % 10 = 6 So 380419-63-6 is a valid CAS Registry Number.