N-Butyl stearate

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MedKoo CAT#: 591636

CAS#: 123-95-5

Description: Butyl stearate enteric-coated tablets cause a reaction in intestinal enzymes.

Price and Availability

Size Price Shipping out time Quantity
25g USD 210 2 Weeks
400g USD 370 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-10-27. Prices are subject to change without notice.

N-Butyl stearate; purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 591636
Name: N-Butyl stearate
CAS#: 123-95-5
Chemical Formula: C22H44O2
Exact Mass: 340.3341
Molecular Weight: 340.59
Elemental Analysis: C, 77.58; H, 13.02; O, 9.39

Synonym: N-Butyl stearate; NSC 4820 NSC-4820; NSC4820

IUPAC/Chemical Name: Octadecanoic acid, butyl ester


InChi Code: InChI=1S/C22H44O2/c1-3-5-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(23)24-21-6-4-2/h3-21H2,1-2H3


Technical Data

Solid powder

>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).

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:


1: Carr AL, Sonenshine DE, Strider JB Jr, Roe RM. Evidence of female sex pheromones and characterization of the cuticular lipids of unfed, adult male versus female blacklegged ticks, Ixodes scapularis. Exp Appl Acarol. 2016 Apr;68(4):519-38. doi: 10.1007/s10493-015-0009-y. Epub 2016 Feb 10. PubMed PMID: 26864785; PubMed Central PMCID: PMC4785100.

2: Tshilanda DD, Mpiana PT, Onyamboko DN, Mbala BM, Ngbolua KT, Tshibangu DS, Bokolo MK, Taba KM, Kasonga TK. Antisickling activity of butyl stearate isolated from Ocimum basilicum (Lamiaceae). Asian Pac J Trop Biomed. 2014 May;4(5):393-8. doi: 10.12980/APJTB.4.2014C1329. PubMed PMID: 25182725; PubMed Central PMCID: PMC3985055.

3: Gołębiowski M, Cerkowniak M, Urbanek A, Dawgul M, Kamysz W, Boguś MI, Stepnowski P. Identification and antifungal activity of novel organic compounds found in cuticular and internal lipids of medically important flies. Microbiol Res. 2015 Jan;170:213-22. doi: 10.1016/j.micres.2014.06.004. Epub 2014 Jun 26. PubMed PMID: 25026883.

4: Ma Y, Chu X, Tang G, Yao Y. The effect of different soft segments on the formation and properties of binary core microencapsulated phase change materials with polyurea/polyurethane double shell. J Colloid Interface Sci. 2013 Feb 15;392:407-414. doi: 10.1016/j.jcis.2012.10.052. Epub 2012 Nov 8. PubMed PMID: 23201062.

5: Nguyen SH, Dang TP, Maibach HI. Comedogenicity in rabbit: some cosmetic ingredients/vehicles. Cutan Ocul Toxicol. 2007;26(4):287-92. PubMed PMID: 18058303.

6: Correa MA, Scarpa MV, Franzini MC, Oliveira AG. On the incorporation of the non-steroidal anti-inflammatory naproxen into cationic O/W microemulsions. Colloids Surf B Biointerfaces. 2005 Jun 25;43(2):108-14. PubMed PMID: 15919187.

7: Kuo SC. A simple assay for local heating by optical tweezers. Methods Cell Biol. 1998;55:43-5. PubMed PMID: 9352510.

8: Bieber WD, Freytag W, Figge K, vom Bruck CG, Rossi L. Transfer of additives from plastics materials into foodstuffs and into food simulants--a comparison. Food Chem Toxicol. 1984 Sep;22(9):737-42. PubMed PMID: 6541627.

9: Fulton JE Jr, Pay SR, Fulton JE 3rd. Comedogenicity of current therapeutic products, cosmetics, and ingredients in the rabbit ear. J Am Acad Dermatol. 1984 Jan;10(1):96-105. PubMed PMID: 6229554.

10: Bomford R. The adjuvant activity of fatty acid esters. The role of acyl chain length and degree of saturation. Immunology. 1981 Sep;44(1):187-92. PubMed PMID: 7275184; PubMed Central PMCID: PMC1555125.

11: SMITH CC. Toxicity of butyl stearate, dibutyl sebacate, dibutyl phthalate, and methoxyethyl oleate. AMA Arch Ind Hyg Occup Med. 1953 Apr;7(4):310-8. PubMed PMID: 13039587.

12: BAUER CW, MASUCCI PE. The action of intestinal enzymes upon cellulose acetate phthalate and butyl stearate enteric-coated tablets. J Am Pharm Assoc Am Pharm Assoc. 1948 Mar;37(3):124-8. PubMed PMID: 18905813.

13: BRADLEY RS, EVANS MG, WHYTLAWGRAY RW. The rate of evaporation of droplets; evaporation and diffusion coefficients, and vapour pressures of dibutyl phthalate and butyl stearate. Proc R Soc Lond A Math Phys Sci. 1946;186(1006):368-90. PubMed PMID: 20998740.