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190013-99-1

5-benzyl-2-methoxy-2-methyl-5-(4-methoxybenzyl)-Δ3-1,3,4-oxadiazoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 190013-99-1 Structure

  • Basic information

    1. Product Name: 5-benzyl-2-methoxy-2-methyl-5-(4-methoxybenzyl)-Δ3-1,3,4-oxadiazoline
    2. Synonyms:
    3. CAS NO:190013-99-1
    4. Molecular Formula:
    5. Molecular Weight: 326.395
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 190013-99-1.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: 5-benzyl-2-methoxy-2-methyl-5-(4-methoxybenzyl)-Δ3-1,3,4-oxadiazoline(CAS DataBase Reference)
    10. NIST Chemistry Reference: 5-benzyl-2-methoxy-2-methyl-5-(4-methoxybenzyl)-Δ3-1,3,4-oxadiazoline(190013-99-1)
    11. EPA Substance Registry System: 5-benzyl-2-methoxy-2-methyl-5-(4-methoxybenzyl)-Δ3-1,3,4-oxadiazoline(190013-99-1)

  • 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: 190013-99-1(Hazardous Substances Data)

190013-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190013-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,0,1 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 190013-99:
(8*1)+(7*9)+(6*0)+(5*0)+(4*1)+(3*3)+(2*9)+(1*9)=111
111 % 10 = 1
So 190013-99-1 is a valid CAS Registry Number.

190013-99-1Relevant articles and documents

Photolysis of 5,5-dibenzyl-Δ3-1,3,4-oxadiaiolines

Warkentin, John,Woollard, John McK.R.

, p. 289 - 307 (2007/10/03)

Photolysis of dibenzyl-Δ3-1,3,4-oxadiazolines (3) in the presence of dimethyl acetylenedicarboxylate (DMAD) gives only modest yields of the expected symmetrical 3,3-dibenzylcyclopropenes (4), but these are accompanied by more than six by-products, including unsymmetrical cyclopropenes, methylenecyclopropanes, and various pyrazoles. The origin of this array of products can be explained by a series of steps starting with photolysis of 3 to form a diazoalkane that undergoes 1,3-dipolar cycloaddition to DMAD, generating a 3H-pyrazole as initial product. The latter is further photolyzed to a symmetrical cyclopropene in competition with benzyl group migration by thermal 1,5-sigmatropic or ion-pair rearrangement to afford a 4H-pyrazole. The 4H-pyrazole in turn undergoes photolysis to an unsymmetrical cyclopropene, which rearranges to a methylenecyclopropane. The 4H-pyrazole also undergoes autoxidation, in the presence of air, to afford a benzoyl-4H-pyrazole. Additionally, in competition with rearrangement, the various pyrazoles lose a benzyl group or a methoxycarbonyl group to afford pyrazoles with one less substituent.

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