CAS 81-54-9 Purpurin

• Customization: Available
• CAS No.: 81-54-9
• Formula: C14h8o5
• Model NO.: YBC176
• EINECS: 201-359-8
• Environmental Protection: No
• Color: Brown-Red to Brown
• Appearance: Powder
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Brown-Red to Brown
• Samples: Available
• Certificates: ISO9001/SGS
• Package: 1g/5g/25g/100g/1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: 98%
• Trademark: Yunbang
• Origin: China

Product Description

CAS 81-54-9 Purpurin
 

Company Informations

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.

The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
 

Product Description

General description

BSA is a single polypeptide chain consisting of about 583 amino acid residues and no carbohydrates. At pH 5-7 it contains 17 intrachain disulfide bridges and 1 sulfhydryl group.

Application

Bovine serum albumin is broadly used as an additive to cell culture media, especially serum-free media. It provides a range of benefits including protection from oxidative damage and stabilization of other media components such as fatty acids and pyridoxal.
 

FAQ

1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.

2: What's your MOQ?
A: We can have a discussion.

3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.

4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.

5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.

6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

Product analysis

 

 

 

Product Name:	PURPURIN
Synonyms:	CI NO 58205;CI 58205;1,2,4-TRIHYDROXY-9,10-ANTHRACENEDIONE;1,2,4-TRIHYDROXYANTHRAQUINONE;ALIZARIN PURPURIN;1,2,4-trihydroxyanthracene-9,10-dione;PURPURIN, FOR THE DETECTION OF B, PB;PURPURIN
CAS:	81-54-9
MF:	C14H8O5
MW:	256.21
EINECS:	201-359-8
Product Categories:	Anthraquinones, Hydroquinones and Quinones;Anthraquinones;Intermediates of Dyes and Pigments;Hydroxyanthraquinones
Mol File:	81-54-9.mol

PURPURIN Chemical Properties

Melting point	253-256 °C(lit.)
Boiling point	359.45°C (rough estimate)
density	1.659
refractive index	1.4825 (estimate)
Fp	113 °C
storage temp.	Inert atmosphere,Room Temperature
solubility	DMSO (Slightly), Methan-ol (Slightly, Heated)
form	Powder
pka	7.05±0.20(Predicted)
Colour Index	58205
color	Brown-red to brown
Water Solubility	6.405mg/L(25 ºC)
Merck	14,7945
BRN	1887127
LogP	4.600 (est)
CAS DataBase Reference	81-54-9
EPA Substance Registry System	Purpurin (81-54-9)

Safety Information

Hazard Codes	Xi,C,F
Risk Statements	36/37/38-34-11
Safety Statements	26-36-45-36/37/39-16
WGK Germany	3
RTECS	CB8200000
HS Code	29146990

 

PURPURIN Usage And Synthesis

Chemical Properties	brown-red to brown powder
Uses	xanthin oxidase inhibitor, irritant
Uses	Purpurin is an anthraquinone derivative and is well known as a colour pigment derived from madder plants. Purpurin was extensively utilized in herbal remedies, in food colouring and dyes for cotton pr inting. Due to the high antioxidant activity exhibited by anthraquinone compounds, purpurin was determined through studies to possess potential radical scavenging effects. Purprin has also been shown to have inhibitory effects towards serine protease.
Uses	A xanthine oxidase inhibitor.

 

 

Detailed Photos