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CAS

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1186527-34-3

(2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate

    Cas No: 1186527-34-3

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  • 1186527-34-3 Structure

  • Basic information

    1. Product Name: (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate
    2. Synonyms: (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate
    3. CAS NO:1186527-34-3
    4. Molecular Formula:
    5. Molecular Weight: 1768.53
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1186527-34-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate(CAS DataBase Reference)
    10. NIST Chemistry Reference: (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate(1186527-34-3)
    11. EPA Substance Registry System: (2R,3R)-2-(3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)phenyl)-5,7-bis(2-nitrophenylsulfonyloxy)-chroman-3-yl 3,4,5-tris(2-nitrophenylsulfonyloxy)benzoate(1186527-34-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 1186527-34-3(Hazardous Substances Data)

1186527-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1186527-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,5,2 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1186527-34:
(9*1)+(8*1)+(7*8)+(6*6)+(5*5)+(4*2)+(3*7)+(2*3)+(1*4)=173
173 % 10 = 3
So 1186527-34-3 is a valid CAS Registry Number.

1186527-34-3Relevant articles and documents

Syntheses of methylated catechins and theaflavins using 2-nitrobenzenesulfonyl group to protect and deactivate phenol

Asakawa, Tomohiro,Kawabe, Yusuke,Yoshida, Atsushi,Aihara, Yoshiyuki,Manabe, Tamiko,Hirose, Yoshitsugu,Sakurada, Asuka,Inai, Makoto,Hamashima, Yoshitaka,Furuta, Takumi,Wakimoto, Toshiyuki,Kan, Toshiyuki

, p. 299 - 312 (2016)

An efficient and versatile synthetic method for labile polyphenols was established using 2-nitrobenzenesulfonate (Ns) as a protecting group for phenol. This methodology provides regio-and stereoselective access to a range of methylated catechins, such as methylated epigallocatechin gallates, that are not readily available from natural sources. In addition, biomimetic synthesis of theaflavins from catechins was accomplished using Ns protection to minimize undesired side reactions of electron-rich aromatic rings during oxidation, enabling construction of the complex benzotropolone core in a single-step oxidative coupling reaction. Availability of these compounds will aid detailed structure-biological activity relationship studies of catechins.

Regioselective synthesis of methylated epigallocatechin gallate via nitrobenzenesulfonyl (Ns) protecting group

Aihara, Yoshiyuki,Yoshida, Atsusi,Furuta, Takumi,Wakimoto, Toshiyuki,Akizawa, Toshifumi,Konishi, Motomi,Kan, Toshiyuki

supporting information; experimental part, p. 4171 - 4174 (2010/04/26)

Regioselective synthesis of methylated epigallocatechin gallate from epigallocatechin was accomplished using a 2-nitrobenzenesulfonyl (Ns) group as a protecting group for phenols. This methodology provided several methylated catechins, which are naturally

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