4-Nitrophenyl α-D-Galactopyranoside CAS 7493-95-0 Assay 98.0%~102.0% (HPLC) Factory

Short Description:

Chemical Name: 4-Nitrophenyl α-D-Galactopyranoside

CAS: 7493-95-0

Assay: 98.0%~102.0% (by HPLC)

Appearance: White or Slightly Yellow Crystal Powder 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Product Detail

Related Products

Product Tags

7493-95-0 - Description:

Ruifu Chemical is the leading manufacturer of 4-Nitrophenyl α-D-Galactopyranoside (CAS: 7493-95-0) with high quality. Ruifu Chemical has 15 years experience in carbohydrate chemistry. Our R&D center is located in Shanghai and has two factories in China. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase carbohydrates, Please contact: alvin@ruifuchem.com

7493-95-0 - Chemical Properties:

Chemical Name 4-Nitrophenyl α-D-Galactopyranoside  
Synonyms 4-Nitrophenyl alpha-D-Galactopyranoside; p-Nitrophenyl α-D-Galactopyranoside; p-Nitrophenyl alpha-D-Galactopyranoside; para-Nitrophenyl-beta-D-Galactoside; PNPG; PNP-alpha-D-Gal; PNP-α-D-Gal
Stock Status In Stock, Commercial Production  
CAS Number 7493-95-0
Molecular Formula C12H15NO8 
Molecular Weight 301.25 g/mol
Melting Point 166.0~169.0℃ 
Density 1.599±0.06 g/cm3 
Sensitive Light Sensitive, Heat Sensitive 
Storage Temp.  Cool & Dry Place (2~8℃) 
COA & MSDS Available For Your Reference, Please Contact Uus
Shelf Life 2 Years When Properly Stored
Origin of Product    Shanghai, China
Product Categories
Carbohydrates & Sugars   
Brand Ruifu Chemical

7493-95-0 - Specifications:

Items Specifications  Results
Appearance White or Slightly Yellow Crystal Powder White Crystal Powder  
Solubility Soluble in DMF and Insoluble in Ether Complies
NMR and MS Should Comply Complies
Identification IR and HPLC IR and HPLC
Specific Rotation [α]20/D +218.0° ~ +222.0° (C=0.4, in Water) +220.1°
Loss on Drying <1.00% 0.45%
Residue on Ignition <1.00% 0.19%
Any Impurity <0.50% <0.50%
Heavy Metals (Pb) <20ppm <10ppm 
TLC Should be One Spot One Spot
Assay / Analysis Method 98.0%~102.0% (by HPLC)  99.4%
Conclusion The product has been tested and complies with the given specifications

7493-95-0 - 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℃), 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. 

7493-95-0 - 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

7493-95-0 - 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. 

7493-95-0 - Risk and Safety:

Hazard Symbols Xi - Irritant
Risk Codes 36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36 - Wear suitable protective clothing.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany 3
FLUKA BRAND F CODES 3-10-21
HS Code 29400090.90

7493-95-0 - Application:

4-Nitrophenyl α-D-Galactopyranoside (CAS: 7493-95-0) is a synthetic compound composed of a nitro group attached to a galactopyranoside. It is a widely used reagent for the detection of a variety of enzymes and is a common substrate for the enzyme β-galactosidase. 4-Nitrophenyl α-D-Galactopyranoside has been used extensively in scientific research in the fields of biochemistry, molecular biology, and physiology.
4-Nitrophenyl α-D-Galactopyranoside is a common substrate for the enzyme β-galactosidase, and has been used to detect the presence of this enzyme in a variety of cells and tissues. It has also been used to study the structure and function of enzymes in the galactose metabolism pathway. In addition, It has been used to study the regulation of galactose metabolism in various organisms, such as bacteria, yeast, and plants.
4-Nitrophenyl α-D-Galactopyranoside is a synthetic compound used as a substrate in the detection of enzyme activity, particularly in the context of E. coli testing.
Biopharmaceutical industry for vaccine adaptation and microbial restraints checking. 

  • Write your message here and send it to us