3-azido-3-deoxy-1,2-diacetoxy-α-D-ribofuranuronic acid methyl amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 331729-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,7,2 and 9 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 331729-04: (8*3)+(7*3)+(6*1)+(5*7)+(4*2)+(3*9)+(2*0)+(1*4)=125 125 % 10 = 5 So 331729-04-5 is a valid CAS Registry Number.