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

MedKoo CAT#: 412704

CAS#: 1997286-65-3

Description: 12-PAHSA is a FAHFA in which palmitic acid is esterified at the 12th carbon of hydroxy stearic acid.

Chemical Structure

CAS# 1997286-65-3

Theoretical Analysis

MedKoo Cat#: 412704
Name: 12-PAHSA
CAS#: 1997286-65-3
Chemical Formula: C34H66O4
Exact Mass: 538.4961
Molecular Weight: 538.89
Elemental Analysis: C, 75.78; H, 12.35; O, 11.88

Price and Availability

Size Price Availability Quantity
1.0mg USD 232.0 2 Weeks
5.0mg USD 480.0 2 Weeks
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Synonym: 12-PAHSA; 9-(palmitoyloxy)octadecanoic acid

IUPAC/Chemical Name: 12-(palmitoyloxy)octadecanoic acid


InChi Code: InChI=1S/C34H66O4/c1-3-5-7-9-10-11-12-13-14-15-20-23-27-31-34(37)38-32(28-24-8-6-4-2)29-25-21-18-16-17-19-22-26-30-33(35)36/h32H,3-31H2,1-2H3,(H,35,36)


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: >3 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 538.89 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

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1. Pham TH, Vidal NP, Manful CF, Fillier TA, Pumphrey RP, Doody KM, Thomas RH. Moose and Caribou as Novel Sources of Functional Lipids: Fatty Acid Esters of Hydroxy Fatty Acids, Diglycerides and Monoacetyldiglycerides. Molecules. 2019 Jan 10;24(2):232. doi: 10.3390/molecules24020232. PMID: 30634564; PMCID: PMC6359430.

PubMed ID: 30664564