WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 591684

CAS#: 89-83-8

Description: Thymol is a phenol obtained from thyme oil or other volatile oils used as a stabilizer in pharmaceutical preparations, and as an antiseptic (antibacterial or antifungal) agent. It was formerly used as a vermifuge.

Chemical Structure

CAS# 89-83-8

Theoretical Analysis

MedKoo Cat#: 591684
Name: Thymol
CAS#: 89-83-8
Chemical Formula: C10H14O
Exact Mass: 150.1045
Molecular Weight: 150.22
Elemental Analysis: C, 79.96; H, 9.39; O, 10.65

Price and Availability

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100.0g USD 350.0 2 Weeks
500.0g USD 750.0 2 Weeks
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Synonym: Thymol; NSC 11215; NSC-11215; NSC11215

IUPAC/Chemical Name: Phenol, 5-methyl-2-(1-methylethyl)-


InChi Code: InChI=1S/C10H14O/c1-7(2)9-5-4-8(3)6-10(9)11/h4-7,11H,1-3H3


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 150.22 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

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1: Brito FN, Vendramin FS, Lopes CTA, Costa MPR, Ohashi OM, Maia JGS, Ferreira LM, Silva JKDRD, Miranda MDS. Proliferation of human adipose tissue-derived stem cells stimulated by oil rich in thymol of Lippia origanoides. Acta Cir Bras. 2018 May;33(5):431-438. doi: 10.1590/s0102-865020180050000005. PubMed PMID: 29924207.

2: Demirci F, Karaca N, Tekin M, Demirci B. Anti-inflammatory and antibacterial effects of Thymus sipyleus BOISS. subsp. sipyleus BOISS. var. sipyleus L. essential oil against rhinosinusitis pathogens. Microb Pathog. 2018 Jun 13. pii: S0882-4010(17)31011-2. doi: 10.1016/j.micpath.2018.06.025. [Epub ahead of print] PubMed PMID: 29908309.

3: García-Salinas S, Elizondo-Castillo H, Arruebo M, Mendoza G, Irusta S. Evaluation of the Antimicrobial Activity and Cytotoxicity of Different Components of Natural Origin Present in Essential Oils. Molecules. 2018 Jun 8;23(6). pii: E1399. doi: 10.3390/molecules23061399. PubMed PMID: 29890713.

4: Kot B, Wierzchowska K, Piechota M, Czerniewicz P, Chrzanowski G. Antimicrobial activity of five essential oils from lamiaceae against multidrug-resistant Staphylococcus aureus. Nat Prod Res. 2018 Jun 11:1-5. doi: 10.1080/14786419.2018.1486314. [Epub ahead of print] PubMed PMID: 29888957.

5: Wang Q, Cheng F, Xu Y, Zhang J, Qi J, Liu X, Wang R. Thymol alleviates lipopolysaccharide-stimulated inflammatory response via downregulation of RhoA-mediated NF-κB signalling pathway in human peritoneal mesothelial cells. Eur J Pharmacol. 2018 Jun 6;833:210-220. doi: 10.1016/j.ejphar.2018.06.003. [Epub ahead of print] PubMed PMID: 29883671.

6: Mattos BD, Greca LG, Tardy BL, Magalhães WLE, Rojas OJ. Green Formation of Robust Supraparticles for Cargo Protection and Hazards Control in Natural Environments. Small. 2018 Jun 7:e1801256. doi: 10.1002/smll.201801256. [Epub ahead of print] PubMed PMID: 29882301.

7: Wang K, Jiang S, Yang Y, Fan L, Su F, Ye M. Synthesis and antifungal activity of carvacrol and thymol esters with heteroaromatic carboxylic acids. Nat Prod Res. 2018 Jun 6:1-7. doi: 10.1080/14786419.2018.1480618. [Epub ahead of print] PubMed PMID: 29874939.

8: Murina F, Vicariotto F, Di Francesco S. Thymol, eugenol and lactobacilli in a medical device for the treatment of bacterial vaginosis and vulvovaginal candidiasis. New Microbiol. 2018 Jun 6;41(2). [Epub ahead of print] PubMed PMID: 29874389.

9: Zhang Y, Liu Y, Qiu J, Luo ZQ, Deng X. The Herbal Compound Thymol Protects Mice From Lethal Infection by Salmonella Typhimurium. Front Microbiol. 2018 May 16;9:1022. doi: 10.3389/fmicb.2018.01022. eCollection 2018. PubMed PMID: 29867906; PubMed Central PMCID: PMC5968388.

10: Kasparaviciene G, Kalveniene Z, Pavilonis A, Marksiene R, Dauksiene J, Bernatoniene J. Formulation and Characterization of Potential Antifungal Oleogel with Essential Oil of Thyme. Evid Based Complement Alternat Med. 2018 Apr 19;2018:9431819. doi: 10.1155/2018/9431819. eCollection 2018. PubMed PMID: 29849737; PubMed Central PMCID: PMC5933022.

11: Günes-Bayir A, Kocyigit A, Güler EM. In vitro effects of two major phenolic compounds from the family Lamiaceae plants on the human gastric carcinoma cells. Toxicol Ind Health. 2018 Jan 1:748233718761698. doi: 10.1177/0748233718761698. [Epub ahead of print] PubMed PMID: 29848188.

12: Schlösser I, Prange A. Antifungal activity of selected natural preservatives against the foodborne molds Penicillium verrucosum and Aspergillus westerdijkiae. FEMS Microbiol Lett. 2018 Jul 1;365(13). doi: 10.1093/femsle/fny125. PubMed PMID: 29846575.

13: Güvenç M, Cellat M, Gökçek İ, Yavaş İ, Yurdagül Özsoy Ş. Effects of thymol and carvacrol on sperm quality and oxidant/antioxidant balance in rats. Arch Physiol Biochem. 2018 May 25:1-8. doi: 10.1080/13813455.2018.1476979. [Epub ahead of print] PubMed PMID: 29799283.

14: Swain SS, Paidesetty SK, Padhy RN. Synthesis of novel thymol derivatives against MRSA and ESBL producing pathogenic bacteria. Nat Prod Res. 2018 May 24:1-9. doi: 10.1080/14786419.2018.1474465. [Epub ahead of print] PubMed PMID: 29792335.

15: Salehi B, Mishra AP, Shukla I, Sharifi-Rad M, Contreras MDM, Segura-Carretero A, Fathi H, Nasrabadi NN, Kobarfard F, Sharifi-Rad J. Thymol, thyme, and other plant sources: Health and potential uses. Phytother Res. 2018 May 22. doi: 10.1002/ptr.6109. [Epub ahead of print] Review. PubMed PMID: 29785774.

16: Killiny N, Jones SE, Nehela Y, Hijaz F, Dutt M, Gmitter FG, Grosser JW. All roads lead to Rome: Towards understanding different avenues of tolerance to huanglongbing in citrus cultivars. Plant Physiol Biochem. 2018 May 18;129:1-10. doi: 10.1016/j.plaphy.2018.05.005. [Epub ahead of print] PubMed PMID: 29783096.

17: Pham TN, Pham HD, Dang DK, Duong TT, Le TPQ, Nguyen QD, Nguyen Tien D. Anticyanobacterial phenolic constituents from the aerial parts of Eupatorium fortunei Turcz. Nat Prod Res. 2018 May 21:1-4. doi: 10.1080/14786419.2018.1476511. [Epub ahead of print] PubMed PMID: 29781299.

18: De La Chapa JJ, Singha PK, Lee DR, Gonzales CB. Thymol inhibits oral squamous cell carcinoma growth via mitochondria-mediated apoptosis. J Oral Pathol Med. 2018 May 19. doi: 10.1111/jop.12735. [Epub ahead of print] PubMed PMID: 29777637.

19: Lorenzo JM, Mousavi Khaneghah A, Gavahian M, Marszałek K, Eş I, Munekata PES, Ferreira ICFR, Barba FJ. Understanding the potential benefits of thyme and its derived products for food industry and consumer health: From extraction of value-added compounds to the evaluation of bioaccessibility, bioavailability, anti-inflammatory, and antimicrobial activities. Crit Rev Food Sci Nutr. 2018 May 17:1-17. doi: 10.1080/10408398.2018.1477730. [Epub ahead of print] PubMed PMID: 29771598.

20: Laamari Y, Auhmani A, Ait Itto MY, Daran JC, Auhmani A, Kouili M. Crystal structure of 2-isopropyl-4-meth-oxy-5-methyl-phenyl 4-methyl-benzene-sulfonate. Acta Crystallogr E Crystallogr Commun. 2018 Feb 28;74(Pt 3):419-421. doi: 10.1107/S2056989018003110. eCollection 2018 Mar 1. PubMed PMID: 29765736; PubMed Central PMCID: PMC5947816.


100.0g / USD 350.0