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72150-07-3

α-Hydroxy(4-methylphenyl)methyl)benzenesulfonic acid, also known as 4-(4-methylbenzyl)phenol-2-sulfonic acid, is an organic compound with the molecular formula C14H14O4S. It is a derivative of benzenesulfonic acid, featuring a hydroxyl group, a 4-methylphenyl group, and a benzyl group attached to the benzene ring. This chemical is characterized by its acidic properties and can be used in various applications, such as in the synthesis of pharmaceuticals, dyes, and other organic compounds. Its structure provides it with unique reactivity and solubility properties, making it a valuable intermediate in chemical synthesis.

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  • 72150-07-3 Structure

  • Basic information

    1. Product Name: α-benzenessigsaeure
    2. Synonyms:
    3. CAS NO:72150-07-3
    4. Molecular Formula:
    5. Molecular Weight: 256.301
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 72150-07-3.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: α-benzenessigsaeure(CAS DataBase Reference)
    10. NIST Chemistry Reference: α-benzenessigsaeure(72150-07-3)
    11. EPA Substance Registry System: α-benzenessigsaeure(72150-07-3)

  • 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: 72150-07-3(Hazardous Substances Data)

72150-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72150-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72150-07:
(7*7)+(6*2)+(5*1)+(4*5)+(3*0)+(2*0)+(1*7)=93
93 % 10 = 3
So 72150-07-3 is a valid CAS Registry Number.

72150-07-3Relevant articles and documents

Kinetics and Mechanism of the Ivanov Reaction: Reaction of Aldehydes and Ketones with Phenylacetic Acit Magnesium Enediolate

Toullec, Jean,Mladenova, Margarita,Gaudemar-Bardone, Francoise,Blagoev, Blagoi

, p. 2563 - 2569 (1985)

Stopped-flow kinetics of the reaction between aldehydes or ketones and the magnesium enediolate of phenylacetic acid in THF are second order at enediolate concentrations -3 M.At concentrations of 10-3 - 3*10-2 M, the formation of a bis(enediolate) requires a more complex kinetic equation.Second-order rate constans are reported for the reaction of the enediolate with a number of aldehydes and ketones at 25 deg C.Entropies of activation for cyclohexanone, benzaldehyde, 2-methylpropanal, and 2,2-dimethylpropanal are positive, and enthalpy-entropy compensation is observed.Ef fects of cycloalkanone ring size and benzaldehyde substituents are small and are ascribable to a transition state with a very small C-C bond order.A two-step mechanism is proposed, with preequilibrium formation of a coordination intermediate which, in some cases, is accompanied by a change in the magnesium coordination number.Effects of alkyl groups on aldehyde and ketone reactivity stem mainly from steric desolvation.

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