Chlorazol Black E CAS 1937-37-7 Direct Black 38

• CAS No.: 1937-37-7
• Formula: C34h28n9nao7s2
• EINECS: 217-710-3
• Environmental Protection: No
• Color: Black
• Appearance: Crystalline Powder
• Model NO.: YBC077
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Black
• 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: 45%
• Trademark: Yunbang
• Origin: China

Product Description

Chlorazol Black E CAS 1937-37-7 Direct Black 38
 

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:	Direct Black 38
Synonyms:	chloramineblackert;chloramineblackex;chloramineblackexr;chloramineblackxo;chloraminecarbonblacks;chloraminecarbonblacksj;chloraminecarbonblacksn;CHLORAZOL BLACK, FOR MICROSCOPY
CAS:	1937-37-7
MF:	C34H28N9NaO7S2
MW:	761.76
EINECS:	217-710-3
Product Categories:	Dyes and Pigments;Organics
Mol File:	1937-37-7.mol

Direct Black 38 Chemical Properties

Melting point	109-110°C
storage temp.	Amber Vial, Refrigerator, Under inert atmosphere
solubility	DMSO (Slightly), Met-hanol (Slightly, Heated), Water (Slightly)
form	Crystalline Powder
Colour Index	30235
color	Black
Stability:	Light Sensitive
CAS DataBase Reference	1937-37-7(CAS DataBase Reference)
EPA Substance Registry System	C.I. Direct Black 38 (1937-37-7)

Safety Information

Hazard Codes	T
Risk Statements	45-63-36
Safety Statements	53-45-36/37-26
WGK Germany	3
RTECS	QJ6160000
TSCA	Yes
HS Code	29299090
Hazardous Substances Data	1937-37-7(Hazardous Substances Data)
Toxicity	LD50 orl-rat: 7600 mg/kg TSCAT* OTS 215154

 

 

Detailed Photos