Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of L-Leucine-p-Nitroanilide (Leu-pNA) (CAS: 4178-93-2) with high quality, 99%, leucine aminopeptidase substrate.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase L-Leucine-p-Nitroanilide (Leu-pNA), please contact us by e-mail: alvin@ruifuchem.com
| Chemical Name | L-Leucine-p-Nitroanilide |
| Synonyms | Leu-pNA; Leucine p-Nitroanilide; L-Leucine-4-Nitroanilide; L-Leu-pNA |
| Stock Status | In Stock, Commercial Production |
| CAS Number | 4178-93-2 |
| Molecular Formula | C12H17N3O3 |
| Molecular Weight | 251.28 g/mol |
| Melting Point | 89.0-90.0℃ |
| Storage Temperature | Store Long-Term at 2-8℃, Under Inert Atmosphere |
| COA & MSDS | Available |
| Origin of Product | Shanghai, China |
| Product Categories |
Amino Acids and Derivatives; Leucine Aminopeptidase Substrate |
| Brand | Ruifu Chemical |
| Items | Specifications | Results |
| Appearance | White to Off-White Powder | Conforms |
| Infrared Spectrometry | Conforms to Structure | Conforms |
| Solubility in EtOH | Light Yellow and Yellow-Green Clear, 50 mg/ml | Conforms |
| Carbon by Elemental Analysis | 55.9%-58.8% | 56.7% |
| Melting Point | 89.0-90.0℃ | 89.3℃ |
| Nitrogen | 16.3%-17.1% | 16.7% |
| Purity / Analysis Method | ≥99.0% (TLC) | 99.25% |
| Specific Rotation [α]25/D | +20.0° - +23.7° (C =2 in MeOH) | +21.3° |
| Conclusion | The product has been tested and complies with the given specifications | |
| Storage Temperature | Store Long-Term at 2-8℃, Under Inert Atmosphere | |
| Caution | For R&D Use Only. Not for Drug, Household or Other Uses. | |
Package: Bottle, Aluminium foil bag, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse. Store away from oxidizing agents. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Hazard Symbols Xi - Irritant
Risk Codes R36 - Irritating to the eyes
R43 - May cause sensitization by skin contact
Safety Description S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36/37 - Wear suitable protective clothing and gloves.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany 3
FLUKA BRAND F CODES 10-23
TSCA Yes
HS Code 2922491990
L-Leucine-p-Nitroanilide (Leu-pNA) (CAS: 4178-93-2), leucine aminopeptidase substrate. L-Leucine-p-Nitroanilide is a substrate. It is used for the colorimetric determination of leucine aminopeptidase. An aminopeptidase substrate used to detect/evaluate functionality of aminopeptidases.
L-Leucine-p-Nitroanilide exhibits diverse applications, including enzyme substrates, pharmaceutical intermediates, and biochemical studies, making it an invaluable tool for scientists exploring various fields.