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CAS

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1257051-37-8

N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 1257051-37-8 Structure

  • Basic information

    1. Product Name: N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide
    2. Synonyms: N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide
    3. CAS NO:1257051-37-8
    4. Molecular Formula:
    5. Molecular Weight: 835.787
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1257051-37-8.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: N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide(CAS DataBase Reference)
    10. NIST Chemistry Reference: N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide(1257051-37-8)
    11. EPA Substance Registry System: N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide(1257051-37-8)

  • 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: 1257051-37-8(Hazardous Substances Data)

1257051-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257051-37-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,0,5 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1257051-37:
(9*1)+(8*2)+(7*5)+(6*7)+(5*0)+(4*5)+(3*1)+(2*3)+(1*7)=138
138 % 10 = 8
So 1257051-37-8 is a valid CAS Registry Number.

1257051-37-8Relevant articles and documents

Total synthesis of (-)-morphine

Koizumi, Hifumi,Yokoshima, Satoshi,Fukuyama, Tohru

, p. 2192 - 2198 (2011/06/19)

We have developed an efficient total synthesis of (-)-morphine in 5% overall yield with the longest linear sequence consisting of 17 steps from 2-cyclohexen-1-one. The cyclohexenol unit was prepared by means of an enzymatic resolution and a Suzuki-Miyaura coupling as key steps. Construction of the morphinan core features an intramolecular aldol reaction and an intramolecular 1,6-addition. Furthermore, mild deprotection conditions to remove the 2,4-dinitrobenzenesulfonyl (DNs) group enabled the facile construction of the morphinan skeleton. We have also established an efficient synthetic route to a cyclohexenol unit containing an N-methyl-DNsamide moiety.

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