DL-Histidine CAS 4998-57-6 Assay 98.0%-101.0% (HPLC)
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of DL-Histidine (H-DL-His-OH) (CAS: 4998-57-6) with high quality. Ruifu Chemical has been supplying amino acids and derivatives more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase DL-Histidine or other products, please contact us by e-mail: alvin@ruifuchem.com
Chemical Name | DL-Histidine |
Synonyms | H-DL-His-OH; DL-His-OH; (±)-2-Amino-3-(4-Imidazolyl)propionic Acid |
Stock Status | In Stock, Commercial Production |
CAS Free Base Number | 4998-57-6 |
CAS HCl Monohydrate | 123333-71-1 |
Molecular Formula | C6H9N3O2 |
Molecular Weight | 155.16 g/mol |
Melting Point | 273℃(dec.)(lit.) |
Solubility in Hot Water | Almost Transparency |
Storage Temperature | Store Long-Term in a Cool and Dry Place |
Shipping Conditions | Ambient |
COA & MSDS | Available |
Origin of Product | Shanghai, China |
Product Categories |
Amino Acids and Derivatives |
Brand | Ruifu Chemical |
Items | Specifications | Results |
Appearance | White to Off-White Crystalline Powder | White Crystalline Powder |
Transmittance | ≥98.0% | 98.5% |
Loss on Drying | ≤0.20% | 0.15% |
Residue on Ignition | ≤0.10% | 0.08% |
Ammonium (NH4) | ≤0.020% | <0.020% |
Chloride (Cl) | ≤0.020% | <0.020% |
Iron (Fe) | ≤10ppm | <10ppm |
Heavy Metals (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1ppm | <1ppm |
Other Amino Acids | Chromatographically Not Detectable | Not Detectable |
Assay / Analysis Method | 99.0%-101.0% (HPLC) | 99.23% |
Conclusion | The product has been tested and complies with the given specifications |
Package: Fluorinated bottle, Aluminium foil bag, 25kg/cardboard drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse away from incompatible substances. 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 Xn - Harmful
Risk Codes R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
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
HS Code 2922491990
DL-Histidine (H-DL-His-OH) (CAS: 4998-57-6) has the potential to impact various fields of research and industry, such as the food and pharmaceutical industries, drug discovery, peptide synthesis, and biotechnology. It can also be used in the pharmaceutical industry for drug development and production. Development of DL-Histidine-based nanoparticles for targeted drug delivery.