D-Pyroglutamic Acid (H-D-Pyr-OH) CAS 4042-36-8 Purity >98.0% (HPLC)

Short Description:

Chemical Name: D-Pyroglutamic Acid

Synonyms: H-D-Pyr-OH 

CAS: 4042-36-8

Assay: 98.0~101.0%

Appearance: White Crystals 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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4042-36-8 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of D-Pyroglutamic Acid (H-D-Pyr-OH) (CAS: 4042-36-8) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase D-Pyroglutamic Acid, Please contact: alvin@ruifuchem.com

4042-36-8 - Chemical Properties:

Chemical Name D-Pyroglutamic Acid 
Synonyms H-D-Pyr-OH; D-Glutamic Acid Lactam; (R)-5-Oxopyrrolidine-2-Carboxylic Acid; (R)-2-Pyrrolidone-5-Carboxylic Acid; (R)-(+)-2-Pyrrolidone-5-Carboxylic Acid; D-5-Oxo-2-Pyrrolidinecarboxylic Acid
Stock Status In Stock, Commercial Production  
CAS Number 4042-36-8
Molecular Formula C5H7NO3
Molecular Weight 129.12 g/mol
Melting Point 158.0~161.0℃ 
Density 1.458g/cm3 
Water Solubility  Soluble in Water, Almost Transparency
COA & MSDS Available
Sample  Available
Place of Origin  Shanghai, China
Brand Ruifu Chemical

4042-36-8 - Specifications:

Items Specifications  Results
Appearance White Crystals White Crystals     
Specific Rotation [α]20/D +10.8°~+12.3° (C=2, H2O) +11.25°
Melting Point 158.0~161.0℃ 159.0~160.0℃
Chloride (Cl) ≤0.02% <0.02%
Sulfate (SO4) ≤0.02% <0.02%
Heavy Metals (Pb) ≤10ppm <10ppm
Arsenic (As2O3) ≤1ppm <1ppm
Iron (Fe) ≤10ppm <10ppm
Loss on Drying ≤0.50% 0.15%
Residue on Ignition ≤0.10% 0.07%
Optical Purity ≤0.50% L-Enantiomer <0.50%
Assay / Analysis Method 98.0~101.0% 99.5%
Infrared Spectrum  Conforms to Structure Conforms 
Conclusion This product by inspection accords with the standard AJI-92 

Package/Storage/Shipping:

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry (2~8℃) and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

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

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 AssuranceStrict 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.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

4042-36-8 - Risk and Safety:

Hazard Symbols Xi - Irritant
Risk Codes
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
WGK Germany 3
HS Code 2922421000

4042-36-8 - Application:

D-Pyroglutamic Acid (H-D-Pyr-OH) (CAS: 4042-36-8), amino acids and peptide synthesis reagents, reaction type: solution phase peptide synthesis. Used as an organic synthesis intermediate, pharmaceutical intermediate. Nutritional supplement, nutrition enhancer, dietary supplements, health food additives, pharmaceutical raw material, sport supplements, sport nutrtional supplements, bodybuilding supplement. Due to special wettability, also used in cold cream, cosmetics.

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