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

MedKoo CAT#: 571278

CAS#: 90316-11-3

Description: A1777 is a selective 5-lipoxygenase inhibitor that reduces leukocytes proliferation without affecting the eosinophils of mast cells.

Chemical Structure

CAS# 90316-11-3

Theoretical Analysis

MedKoo Cat#: 571278
Name: A1777
CAS#: 90316-11-3
Chemical Formula: C21H24O4
Exact Mass: 340.1675
Molecular Weight: 340.42
Elemental Analysis: C, 74.09; H, 7.11; O, 18.80

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: AA1777; AA-1777; AA 1777

IUPAC/Chemical Name: 2,7-Dodecadiynoic acid, 12-(2,4,5-trimethyl-3,6-dioxo-1,4-cyclohexadien-1-yl)-


InChi Code: InChI=1S/C21H24O4/c1-15-16(2)21(25)18(17(3)20(15)24)13-11-9-7-5-4-6-8-10-12-14-19(22)23/h6-11,13H2,1-3H3,(H,22,23)


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 340.42 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: Tanaka K, Ueno A, Katori M. Roles of leukotrienes in two rat allergic inflammatory models; IgE-mediated and IgG-antigen complex-induced pleurisies. Prostaglandins. 1986 Jun;31(6):1099-116. PubMed PMID: 3020615.

2: Qian J, Steigerwald K, Combs KA, Barton MC, Groden J. Caspase cleavage of the APC tumor suppressor and release of an amino-terminal domain is required for the transcription-independent function of APC in apoptosis. Oncogene. 2007 Jul 19;26(33):4872-6. Epub 2007 Feb 5. PubMed PMID: 17297457.

3: Nagai K, Katori M. Possible changes in the leukocyte membrane as a mechanism of leukocyte adhesion to the venular walls induced by leukotriene B4 and fMLP in the microvasculature of the hamster cheek pouch. Int J Microcirc Clin Exp. 1988 Nov;7(4):305-14. PubMed PMID: 2851564.