CAS Search
Related Chemical Product
Chemical Product CAS:213546-89-521H,23H-Porphine-7,17-dione,8,18-dihydro-8,18-dihydroxy-2,8,13,18-tetramethyl- (9CI)

21H,23H-Porphine-7,17-dione,8,18-dihydro-8,18-dihydroxy-2,8,13,18-tetramethyl- (9CI)

  • CAS No:

  • Name:

    21H,23H-Porphine-7,17-dione,8,18-dihydro-8,18-dihydroxy-2,8,13,18-tetramethyl- (9CI)
  • Molecular Formula:

    C24H22 N4 O4
  • Molecular Weight:

Buy Chemical NO: 213546-89-5
  • Urgent Purchase CAS NO.:213546-89-5
  • Please post your buying leads! Our suppliers will contact you later!
  • For suppliers to better understand your request, enter more info here.

* Product Name:
CAS No.:
* Quantity:
 Metric Ton     Kilogram    Gram    Pound
* Valid For:
 5 Days    15    1 Month    3 Month    6 Month    1 Year
* Description:

Max 2000 characters.  Please enter detailed description for the product.
* Email:

21H,23H-Porphine-7,17-dione,8,18-dihydro-8,18 ( CASNO:213546-89-5 )

Identification and Related Records
21H,23H-Porphine-7,17-dione,8,18-dihydro-8,18-dihydroxy-2,8,13,18-tetramethyl- (9CI)
CAS Registry number:
Iupac name:
Molecular Formula:
C24H22 N4 O4
Molecular Weight:
Canonical SMILES:
Chemical and Physical Properties
Boiling Point:
950.1°C at 760 mmHg
0mmHg at 25°C
Refractive Index:
Flash Point:
Computed Properties:
Molecular Weight:430.45588 [g/mol]
Molecular Formula:C24H22N4O4
H-Bond Donor:4
H-Bond Acceptor:6
Rotatable Bond Count:0
Tautomer Count:80
Exact Mass:430.164105
MonoIsotopic Mass:430.164105
Topological Polar Surface Area:132
Heavy Atom Count:32
Formal Charge:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:2
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Acceptor Count:6
Feature 3D Donor Count:4
Feature 3D Cation Count:2
Feature 3D Ring Count:4
Effective Rotor Count:0.4
Conformer Sampling RMSD:0.6
CID Conformer Count:4
Chemical Company
Qingzhou Yibang Machinery Equipment factory:
Ningbo Hongyi Telecommunication Equipment
Company Introduction Ningbo Hongyi,Website:,one of the Highest quality Telecom equipment and parts manufacture and 20 years development and design experiences in China, located at?industry area of Chaotang, Ningbo, nearby ports of Ningbo and ?Shanghai. Over 3000 square meters of manufacture facility, Ningbo Hongyi offered superior value-added technology in copper and fiber optic solutions for high performance, high capacity networking systems. provide solutions worldwide in copper and fiber optic connect solution systems, throughout United States, Canada, South America, the Pacific Rim, the Middle East , Europe and Asia. ?Ningbo Hongyi supply affordable and reliable solutions with personalized service. Whatever customer needs may be. Services with 24H*7 for Custo 
Huada Ink:
Xiangtan Swallow Chemicals Co.,Ltd:
 Xiangtan Argent Swallow Chemicals Co.,Ltd is really a comprehensive chemical enterprise which intergrates the scientific and technological development,production,sales and service inside a whole.Right now,it's well-known and become among the biggest chemical producers in China.Our items are popular within the worldwide market due to the highest quality and Competitive Cost. We've high status among our clients. consequently, the need for our goods surpasses the availability. The primary items we produce and sell are inorganic chemicals,including lithopone,barium sulphate,Zinc sulphate,zinc carbonate and zinc,are broadly utilized in painting&coating industry,rubber industry and additive industry. Our items have passed the ISO9001:2000 worldwide quality management system certifi 
East-forward chemical co.,ltd:
East-forward chemical co.,Ltd is focused on the study, manufacture of fine chemicals enterprise. For pretty much 3 decades, has centered on alkylphenol and phosgene types research, production, and Marketing. There exists a national first-class research and team of developers, you will find two professional production factory. Our items happen to be released to Europe, america, Japan, Korea, India and other nations, Our strict QC & QA system ensures good q-uality and eco res-ponsible items constantly. We stock an array of chemicals items, concentrating on both domestic and worldwide market. We offer our clients with assorted alkylphenol and phosgene types production and We're extremely mixed up in business of agrochemicals androsin resin for printing ink industry. We can product other phosg 
Shijiazhuang Tianhua Phosphate Co., Ltd.:
Beijing FLY Science and Technology Co., Ltd.:
Puyang Kaiyu Chemical Co., Ltd.:
Hangzhou Ding He Aluminum Foil and Plastic Products CO.,LTD:
Our company was founded in 2011,Website:, whose predecessor Lin'an Xudong Aluminum Foils Co.,Ltd was founded in 2001. We are located in Lin'an which is the hometown of King Qian, in the northwest of Hangzhou in Zhejiang Province. 
Shenzhen Hejiamei Technology Co., LTD:
We manufacture and trade all silicone products. Including silicone kitchenware,Website:, silicone commodities and adornments, silicone electronic parts and accessories, silicone watch and sex adult products.,etc. In 2007, we registered "JIAMEI INTERNATIONAL GROUP HONGKONG CO., LTD" in hongkong. In the beginning, We produce all silicone rubber products. In 2012, we registered “Shenzhen Hejiamei Technology Co., LTD” in Shenzhen,China.We increased "sex adult product” into our product scope. We became alibaba gold member in 2010. and made-in-china gold member in 2013. The best quality, competitive prices and perfect services are always our targets for all customers. We are always trying our best to provide you with perfect products and perfect servic 
China Huanyu Chemical Industrial Co.,Ltd..:
zibo yuansen material cp.,ltd:
soho trading company:
Yangzhou Liushi Chemical Co.,Ltd.: