Acetamide, N-[3-methyl-1-(4-nitrophenyl)-1H-indol-2-yl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 138349-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,4 and 9 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 138349-50: (8*1)+(7*3)+(6*8)+(5*3)+(4*4)+(3*9)+(2*5)+(1*0)=145 145 % 10 = 5 So 138349-50-5 is a valid CAS Registry Number.