Pamoic acid

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MedKoo CAT#: 561642

CAS#: 130-85-8

Description: Pamoic acid is an agonist of the orphan G protein-coupled receptor GPR35. It activates ERK and beta-arrestin2 and causes antinociceptive activity.

Price and Availability

Size Price Shipping out time Quantity
50g USD 250 2 Weeks
100g USD 390 2 Weeks
250g USD 590 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-07-12. Prices are subject to change without notice.

Pamoic acid, 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#: 561642
Name: Pamoic acid
CAS#: 130-85-8
Chemical Formula: C23H16O6
Exact Mass: 388.0947
Molecular Weight: 388.37
Elemental Analysis: C, 71.13; H, 4.15; O, 24.72

Synonym: Pamoic acid; Embonic acid; NSC-30188; NSC 30188; NSC30188;

IUPAC/Chemical Name: 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid)


InChi Code: InChI=1S/C23H16O6/c24-20-16(14-7-3-1-5-12(14)9-18(20)22(26)27)11-17-15-8-4-2-6-13(15)10-19(21(17)25)23(28)29/h1-10,24-25H,11H2,(H,26,27)(H,28,29)

SMILES Code: O=C(O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C4C=CC=CC4=C1

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:


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2: Anderson G, Maes M, Berk M. Inflammation-related disorders in the tryptophan catabolite pathway in depression and somatization. Adv Protein Chem Struct Biol. 2012;88:27-48. doi: 10.1016/B978-0-12-398314-5.00002-7. Review. PubMed PMID: 22814705.

3: Neubig RR. Mind your salts: when the inactive constituent isn't. Mol Pharmacol. 2010 Oct;78(4):558-9. doi: 10.1124/mol.110.067645. Epub 2010 Jul 22. Review. PubMed PMID: 20651116.

4: De Saint-Hubert M, Prinsen K, Mortelmans L, Verbruggen A, Mottaghy FM. Molecular imaging of cell death. Methods. 2009 Jun;48(2):178-87. doi: 10.1016/j.ymeth.2009.03.022. Epub 2009 Apr 9. Review. PubMed PMID: 19362149.