Propanamide, 2-(acetylamino)-N-butyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 176249-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,2,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 176249-90: (8*1)+(7*7)+(6*6)+(5*2)+(4*4)+(3*9)+(2*9)+(1*0)=164 164 % 10 = 4 So 176249-90-4 is a valid CAS Registry Number.