mono-Methyl phthalate - ≥97% , CAS No.4376-18-5

CAS: 4376-18-5 Cat. No.: M131640 Molecular Weight: 180.16 Beilstein Registry Number: 2048766 EC Number: 224-476-6
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
NSC8281 | NSC-8281 | 2-(Methoxycarbonyl)benzoic acid # | D 3 (ester) | DTXSID9040001 | AM20060631 | NSC 8281 | MFCD00002466 | O-(methoxycarbonyl)benzoate | CAS-4376-18-5 | FT-0672488 | METHYLPHTHALATE | AR-360/13197749 | TS-02513 | MONOMETHYL PHTHALATE |
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
5g
M131640-5g
4

$14.90

$22.90
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10g
M131640-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$23.90

$35.90
Save $12.00 (33.43%)
25g
M131640-25g
2

$43.90

$65.90
Save $22.00 (33.38%)
100g
M131640-100g
1

$141.90

$212.90
Save $71.00 (33.35%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 17 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
NSC8281 | NSC-8281 | 2-(Methoxycarbonyl)benzoic acid # | D 3 (ester) | DTXSID9040001 | AM20060631 | NSC 8281 | MFCD00002466 | O-(methoxycarbonyl)benzoate | CAS-4376-18-5 | FT-0672488 | METHYLPHTHALATE | AR-360/13197749 | TS-02513 | MONOMETHYL PHTHALATE |
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488182618
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182618
Canonical SmilesCOC(=O)C1=CC=CC=C1C(=O)O
IUPAC Name2-methoxycarbonylbenzoic acid
InChIKeyFNJSWIPFHMKRAT-UHFFFAOYSA-N
INCHI1S/C9H8O4/c1-13-9(12)7-5-3-2-4-6(7)8(10)11/h2-5H,1H3,(H,10,11)
Isomeric SMILES COC(=O)C1=CC=CC=C1C(=O)O
WGK Germany 3
Molecular Weight 180.16
Beilstein 2048766
Reaxy-Rn 2048766
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2048766&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acid esters
Alternative Parents Benzoic acids  Benzoyl derivatives  Dicarboxylic acids and derivatives  Methyl esters  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoate ester - Benzoic acid - Benzoyl - Dicarboxylic acid or derivatives - Methyl ester - Carboxylic acid ester - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
C2613062Certificate of AnalysisMar 23, 2026 M131640
C2613063Certificate of AnalysisMar 18, 2026 M131640
C2613064Certificate of AnalysisMar 18, 2026 M131640
J2129092Certificate of AnalysisAug 11, 2025 M131640
B2303381Certificate of AnalysisSep 14, 2022 M131640
B2303398Certificate of AnalysisSep 14, 2022 M131640
B2303456Certificate of AnalysisSep 14, 2022 M131640
B2303471Certificate of AnalysisSep 14, 2022 M131640
B2303472Certificate of AnalysisSep 14, 2022 M131640
B2303473Certificate of AnalysisSep 14, 2022 M131640
H2501110Certificate of AnalysisSep 14, 2022 M131640
L2307163Certificate of AnalysisSep 14, 2022 M131640

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Chemical and Physical Properties
SolubilityInsoluble in water.
Melt Point(°C)82-84°C
Molecular Weight180.160 g/mol
XLogP31.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass180.042 Da
Monoisotopic Mass180.042 Da
Topological Polar Surface Area63.600 Ų
Heavy Atom Count13
Formal Charge0
Complexity212.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Zhao Zhenzhen, Liu Yanfeng, Liu Chao, Xu Qianqian, Song Meijie, Yan Hai.  (2023)  Whole-genome analysis of Comamonas sp. USTBZA1 for biodegrading diethyl phthalate.  3 Biotech,  13  (10): (1-11).  [PMID:37670801] [10.1007/s13205-023-03736-3]
2. Wei Liu, Tengfei Wang, Liwen Wang, Yan Wang, Sheng Hu, Dating Tian.  (2023)  A novel near-infrared fluorescent probe for ultrasensitive and visual detection of mitochondrial viscosity.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:37683438] [10.1016/j.saa.2023.123329]
3. Ying Zhang, Yunhai Chen, Dianwei Zhang, Huilin Liu, Baoguo Sun.  (2023)  Peptide nanodots-bridged metal-organic framework (PNMOF): Intelligently design a cascade amplification platform for smartphone-facilitated mobile fluorescence imaging detection of pyrethroids.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.143690]
4. Wei Liu, Yan Wang, Tengfei Wang, Liwen Wang, Sheng Hu, Dating Tian.  (2023)  A versatile AIE probe with mitochondria targeting for dual-channel detection of superoxide anion and viscosity.  ANALYTICA CHIMICA ACTA,      [PMID:36965989] [10.1016/j.aca.2023.341099]
5. Xiaofang Che, Yong Huang, Tianzhu Shen, Keyuan Zhong, You Wei, Guoqiang Fan, Kun Jia, Wei Yuan, Huiqiang Lu.  (2022)  Effect of monosultap on notochord development in zebrafish (Danio rerio) embryos.  TOXICOLOGY,      [PMID:35933024] [10.1016/j.tox.2022.153276]
6. Yue Leng, Li Ren, Shu Niu, Tiehua Zhang, Jie Zhang.  (2021)  In vitro and in silico investigations of endocrine disruption induced by metabolites of plasticizers through glucocorticoid receptor.  FOOD AND CHEMICAL TOXICOLOGY,      [PMID:34273429] [10.1016/j.fct.2021.112413]
7. Xuejun Wang, Si Shen, Hao Wu, Haixia Wang, Lvjing Wang, Zhenmei Lu.  (2021)  Acinetobacter tandoii ZM06 Assists Glutamicibacter nicotianae ZM05 in Resisting Cadmium Pressure to Preserve Dipropyl Phthalate Biodegradation.  Microorganisms,  (7): (1417).  [PMID:34209156] [10.3390/microorganisms9071417]
8. Luxiu Li, Ya Cui, Lingling Ren, Chunyang Li, Yehao Liu, Zhongxiu Jin.  (2021)  Magnetic dummy molecularly imprinted polymer nanoparticles as sorbent for dispersive solid-phase microextraction of phthalate monoesters in human urine samples.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2021.106266]
9. Peng Zhou, Jing Zhang, Zhaokun Xiong, Yang Liu, Xiaowei Huo, Xin Cheng, Wenshu Li, Feng Cheng, Yongli Zhang.  (2019)  C60 Fullerol promoted Fe(III)/H2O2 Fenton oxidation: Role of photosensitive Fe(III)-Fullerol complex.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2019.118264]
10. Peng Zhou, Jing Zhang, Gucheng Zhang, Wenshu Li, Yang Liu, Xin Cheng, Xiaowei Huo, Yunxin Liu, Yongli Zhang.  (2018)  Degradation of dimethyl phthalate by activating peroxymonosulfate using nanoscale zero valent tungsten: Mechanism and degradation pathway.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2018.11.123]
11. Yiting Zhou, Jingming Zhou, Yankai Liu, Yumei Chen, Hongliang Liu, Xifang Zhu, Peiyang Ding, Chao Liang, Enping Liu, Sixuan Wu, Aiping Wang.  (2024)  A novel label-free electrochemical immunosensor based on Ce-MOF@AgAuNPs for highly sensitive detection of monensin.  FOOD CONTROL,      [PMID:] [10.1016/j.foodcont.2024.110927]
12. Sheng Cao, Shuming Zhang, Manchao Liu, Mirjavid Heydaroglu, Chengping Wen, Juan Sun, Yongjiang Wang, Min Yu, Xiaoyu Han.  (2024)  Mechanically Robust and Highly Stretchable Acrylated Glycerol Polyether Elastomers for Vat Photopolymerization 3D Printing.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.4c02560]
13. Zhengyu Hou, Hejuan Pan, Mengjie Gu, Xiaowang Chen, Tongtong Ying, Pei Qiao, Junwei Cao, Haixia Wang, Tong Hu, Lianbao Zheng, Weihong Zhong.  (2024)  Simultaneously degradation of various phthalate esters by Rhodococcus sp. AH-ZY2: Strain, omics and enzymatic study.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:38852255] [10.1016/j.jhazmat.2024.134776]
14. Li Fangfang, Duan Xizhao, Zhou Jiahao, Feng Siyue, Du Wei, He Xinhua, Peng Hongbo, Li Hao, Ahmad Shakeel, Pan Bo.  (2025)  Inhibited vertical mobility of biochar-derived dissolved organic matter under low-intensity rainfall: role of mineral retention.  Biochar,  (1): (1-11).  [PMID:] [10.1007/s42773-025-00484-w]
15. Jiarong Qiu, Yueqi Zhang, Yaning Shi, Junwei Jiang, Shenglu Wu, Longxiang Li, Yuting Shao, Zhihong Xin.  (2020)  Identification and characterization of a novel phthalate-degrading hydrolase from a soil metagenomic library.  ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,      [PMID:31911388] [10.1016/j.ecoenv.2019.110148]
16. Yu-Han Yuan, Gui-Fang Li, Shuang-Lin Cai, Jin-Wei Yan, Jia Liang, Hai Huang, Long-Long Jin, Ye Zeng, Jian-Chun Weng, Xiao-Hong Fan, Yi Li, Ding-Rong Deng, Qi-Hui Wu.  (2025)  Ion replacement to construct coral-like montmorillonite/manganese-cobalt bimetallic oxide for high-performance supercapacitors with aqueous electrolyte.  ELECTROCHIMICA ACTA,      [PMID:] [10.1016/j.electacta.2025.146515]
17. Hong-Jia Huang, Dan Huang, Jiang-Bing Qiu, Si-Ying Li, Qing Han, Cai-Qin Cheng, Hao-Yun Zhang, Zong-Di Wang, Yi-Tong Huang, Li-Gong Zou, Ce-Hui Mo, Hong-Ye Li, Wei-Dong Yang, Nai-Xian Feng, Da-Wei Li.  (2026)  Deciphering the molecular pathways underlying di(2-ethylhexyl) phthalate degradation and metabolic adaptation in Alexandrium pacificum.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:] [10.1016/j.jhazmat.2026.141718]
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