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CAS

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128145-57-3

(1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 128145-57-3 Structure

  • Basic information

    1. Product Name: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one
    2. Synonyms: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one
    3. CAS NO:128145-57-3
    4. Molecular Formula:
    5. Molecular Weight: 320.409
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 128145-57-3.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: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one(CAS DataBase Reference)
    10. NIST Chemistry Reference: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one(128145-57-3)
    11. EPA Substance Registry System: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.01,4]decan-10-one(128145-57-3)

  • 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: 128145-57-3(Hazardous Substances Data)

128145-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128145-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,4 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128145-57:
(8*1)+(7*2)+(6*8)+(5*1)+(4*4)+(3*5)+(2*5)+(1*7)=123
123 % 10 = 3
So 128145-57-3 is a valid CAS Registry Number.

128145-57-3Upstream product

128145-57-3Downstream Products

128145-57-3Relevant articles and documents

'Accordion' rearrangements of cyclobutane α-sulfonyl lactones

Kende,Kaldor

, p. 7329 - 7332 (1989)

The tricyclic α-sulfonyl lactone 4 is converted by alkoxides to bicyclic acids 5,6; the homologous α-sulfonyl lactone 8 yields bicyclic acid 10 or the cyclononene ketoacid 9. These products arise from a common Grob fragmentation mechanism (Scheme 3), in which the fate of the medium-ring trans-cycloalkene intermediates 12 is determined by ring size and by the nature of the nucleophilic base used.

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