The H-D-Val-Leu-Arg p-nitroanilide is an organic compound with the formula C₂₃H₃₈N₈O₅. With the CAS registry number 162303-66-4, it is also named as (S)-2-((R)-2-Amino-3-methylbutanamido)-N-((S)-5-guanidino-1-(4-nitrophenylamino)-1-oxopentan-2-yl)-4-methylpentanamide. The product's categories are Dipeptides and Tripeptides; Peptides; Tripeptides. Besides, it should be stored at -20°C.

When you are using this chemical, please be cautious about it as the following:
It is toxic by inhalation, in contact with skin and if swallowed. It has possible risk of harm to the unborn child.  Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, do not breathe dust and wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).