Cas no 24303-64-8 (4-Methoxy-but-2-ynoic acid)

4-Methoxy-but-2-ynoic acid is a specialized alkyne-substituted carboxylic acid featuring a methoxy group at the 4-position. This compound serves as a versatile intermediate in organic synthesis, particularly in the preparation of heterocycles, pharmaceuticals, and fine chemicals. Its acetylene functionality enables click chemistry applications, while the methoxy group enhances solubility and reactivity in certain transformations. The acid moiety allows for further derivatization via esterification or amidation. Due to its structural features, it is useful in constructing complex molecular architectures with precision. The compound is typically handled under controlled conditions due to its reactivity. Purity and stability are critical for consistent performance in synthetic applications.
4-Methoxy-but-2-ynoic acid structure
4-Methoxy-but-2-ynoic acid structure
Product Name:4-Methoxy-but-2-ynoic acid
CAS No:24303-64-8
MF:C5H6O3
MW:114.099341869354
MDL:MFCD19228125
CID:1419779
PubChem ID:11126213
Update Time:2025-06-07

4-Methoxy-but-2-ynoic acid Chemical and Physical Properties

Names and Identifiers

    • 2-Butynoic acid, 4-methoxy-
    • 4-methoxy-2-Butynoic acid
    • 4-methoxybut-2-ynoic acid
    • 4-Methoxy-but-2-ynoic acid
    • ATFQGKWMZOYASB-UHFFFAOYSA-N
    • MFCD19228125
    • 4-methoxybut-2-ynoicAcid
    • AKOS006380128
    • CS-0340998
    • DTXSID30456036
    • 24303-64-8
    • EN300-227022
    • DA-39237
    • SCHEMBL6383645
    • MDL： MFCD19228125
    • Inchi： 1S/C5H6O3/c1-8-4-2-3-5(6)7/h4H2,1H3,(H,6,7)
    • InChI Key： ATFQGKWMZOYASB-UHFFFAOYSA-N
    • SMILES： O(C)CC#CC(=O)O

Computed Properties

  • Exact Mass: 114.03168
  • Monoisotopic Mass: 114.031694049g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 8
  • Rotatable Bond Count: 1
  • Complexity: 136
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 0.1
  • Topological Polar Surface Area: 46.5?2

Experimental Properties

  • PSA: 46.53

4-Methoxy-but-2-ynoic acid Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
TRC
M266408-10mg
4-Methoxy-but-2-ynoic acid
 24303-64-8
10mg
 $ 50.00 2022-06-04
TRC
M266408-50mg
4-Methoxy-but-2-ynoic acid
 24303-64-8
50mg
 $ 185.00 2022-06-04
TRC
M266408-100mg
4-Methoxy-but-2-ynoic acid
 24303-64-8
100mg
 $ 275.00 2022-06-04
Chemenu
CM328709-1g
4-methoxybut-2-ynoic acid
 24303-64-8 95%+
1g
 $733 2021-06-09
Chemenu
CM328709-5g
4-methoxybut-2-ynoic acid
 24303-64-8 95%+
5g
 $2481 2021-06-09
Chemenu
CM328709-25g
4-methoxybut-2-ynoic acid
 24303-64-8 95%+
25g
 $9304 2021-06-09
JIE DA WEI （ SHANG HAI ） YI YAO KE JI FA ZHAN Co., Ltd.
05R0552-1g
4-Methoxy-but-2-ynoic acid
 24303-64-8 97%
1g
 3375.21CNY 2021-05-07
JIE DA WEI （ SHANG HAI ） YI YAO KE JI FA ZHAN Co., Ltd.
05R0552-5g
4-Methoxy-but-2-ynoic acid
 24303-64-8 97%
5g
 13483.87CNY 2021-05-07
JIE DA WEI （ SHANG HAI ） YI YAO KE JI FA ZHAN Co., Ltd.
05R0552-500mg
4-Methoxy-but-2-ynoic acid
 24303-64-8 97%
500mg
 2111.63CNY 2021-05-07
JIE DA WEI （ SHANG HAI ） YI YAO KE JI FA ZHAN Co., Ltd.
05R0552-250mg
4-Methoxy-but-2-ynoic acid
 24303-64-8 97%
250mg
 1484.07CNY 2021-05-07

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