一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Chemical Reagents>Organic reagents>Aromatic acids>Coumarin-3-carboxylic acid
Coumarin-3-carboxylic acid
  • Coumarin-3-carboxylic acid

Coumarin-3-carboxylic acid

Price $1
Package 1KG
Min. Order: 1KG
Supply Ability: 1ton
Update Time: 2019-07-12

Product Details

Product Name: Coumarin-3-carboxylic acid CAS No.: 531-81-7
EC-No.: 256-495-9 Min. Order: 1KG
Purity: 99% Supply Ability: 1ton
Release date: 2019/07/12

 

Product number: Flora1               Email: Flora@coreychem.com                 Tel:+86-16638019463

Company Service Scope:

1. Samples synthetic, Our strong r&d team has accumulated abundant experience in synthesis design and exploring synthesis of new technology. Not only good at heterocyclic chemistry, chiral chemicals (asymmetric synthesis and enzyme reaction), metal organic synthesis, high throughput chemistry, also specializes in bioorganic chemistry including nucleosides, nucleotides, sugar chemical, peptide chemistry, etc, to complete the synthesis from mg to kg samples in lab scale. Our efficient management and good communication skills and ability to solve the problem rapidly in order to ensure quality, timely delivery, based on the standard client confidential system and competitive price products,we has been recognized and praised by many customers in chemical industry.

2. Scale-up production, based on our rich laboratory experience and advanced equipment in production base, also depend on accumulation of advantages in many aspects as industrialized technology development, the production cost control, to provide from kg class to wt class custom synthesis scale-up production services to the global fine chemical industry, can be carried out oxidation, hydrogenation pressure (70 kg), halide, and acylation, esterification, condensation, cyclization, formatting, ammoniation, diazotization and azide reaction, our experienced production management, strict and perfect management system can quickly provide customers with competitive and fine mass production services.

3.Technology transfer, the company has accumulated a large number of production processes of drugs, intermediates and raw material. Based on the principle of mutual benefit, and some technology transfer to industry manufacturers, also provides them marketing support.

4. Purchasing agency service, Our excellence professional sales team, timely and thoughtful service, in addition to the necessary good language communication ability of professional sales staff, also equipped with professional chemical technical sales consultant, who can answer the customer's academic professional question, we are in line with the aim of offering customer wholehearted service, with our advanced testing equipment checks and abundant R&D and production of domestic partner contacts, to provide rare chemicals with standard purity, reasonable price and cost-effective purchasing agency service to foreign customers, and the help you shorten the sourcing time, reduce the purchasing cost.

Coumarin-3-carboxylic acid Basic information
Product Name: Coumarin-3-carboxylic acid
Synonyms: OTAVA-BB BB0125160098;RARECHEM AB KA K006;AKOS BC-1493;1-OXO-2H-BENZOPYRAN-3-CARBOXYLIC ACID;2-OXO-2H-CHROMENE-3-CARBOXYLIC ACID;2-OXO-2H-1-BENZOPYRAN-3-CARBOXYLIC ACID;AURORA 2057;CUMARIN-3-CARBOXYLIC ACID
CAS: 531-81-7
MF: C10H6O4
MW: 190.15
EINECS: 208-518-0
Product Categories: Coumarins;API intermediates
Mol File: 531-81-7.mol
Article illustration
 
Coumarin-3-carboxylic acid Chemical Properties
Melting point  189-192 °C(lit.)
Boiling point  248.82°C (rough estimate)
density  1.2599 (rough estimate)
refractive index  1.5380 (estimate)
storage temp.  Store below +30°C.
solubility  13g/l
form  Crystalline Powder
color  Light brown
Water Solubility  13 g/L (37 ºC)
λmax 290nm(Phosphate buffer sol.)(lit.)
Merck  14,2563
BRN  154276
InChIKey ACMLKANOGIVEPB-UHFFFAOYSA-N
CAS DataBase Reference 531-81-7(CAS DataBase Reference)
NIST Chemistry Reference Benzopyran-3-carboxylic acid, 2h-1-, 2-oxo(531-81-7)
 
Safety Information
Hazard Codes  T,Xi
Risk Statements  25
Safety Statements  36/37/39-45-28A
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  DJ2490000
8
HazardClass  6.1
PackingGroup  II
HS Code  29322090
MSDS Information

Company Profile Introduction

Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals. Mainly deals in the sales of: Pharmaceutical intermediates OLED intermediates: Pharmaceutical intermediates; OLED intermediates;

You may like

Recommended supplier

Product name Price   Suppliers Update time
$29.00
VIP6Y
TargetMol Chemicals Inc.
2026-05-11
Honest Joy Holdings Limited
2022-02-21
$1.00
VIP8Y
.GZ HONESTCHEM CO.,LTD
2025-10-15
$5.90
VIP1Y
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2025-06-14
VIP2Y
Shenzhen Nexcon Pharmatechs Ltd.
2025-06-11
  • Since: 2014-12-17
  • Address: Zhengzhou High tech Zone, Henan Province, China
INQUIRY
楊俊青

sales@coreychem.com
大英县| 绵竹市| 龙川县| 松溪县| 桑日县| 延川县| 葵青区| 三原县| 商南县| 五指山市| 密云县| 家居| 沙坪坝区| 滨州市| 五台县| 龙川县| 镇安县| 墨脱县| 葫芦岛市| 墨玉县| 东乌珠穆沁旗| 徐州市| 汉中市| 龙门县| 富宁县| 双江| 东港市| 石棉县| 贺兰县| 噶尔县| 伊通| 乐都县| 乾安县| 滦平县| 湘潭市| 嘉善县| 昌图县| 新田县| 荆州市| 陆河县| 舟曲县|