DL-Histidine CAS 4998-57-6 Assay 98.0%-101.0% (HPLC)

Short Description:

Chemical Name: DL-Histidine

Synonyms: H-DL-His-OH

CAS: 4998-57-6

Assay: 98.0%-101.0% (HPLC)

Appearance: White to Off-White Crystalline Powder

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Product Detail

Product Tags

4998-57-6 - Description:

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

4998-57-6 - Chemical Properties:

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

4998-57-6 - Specifications:

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

4998-57-6 - Package/Storage/Shipping:

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.

4998-57-6 - Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

4998-57-6 - FAQ:

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.

4998-57-6 - Risk and Safety:

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

4998-57-6 - Application:

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.