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MedKoo CAT#: 563350

CAS#: 881639-98-1

Description: G-1 is a selective agonist for GPER. It acts by blocking tubulin polymerization.

Price and Availability

Size Price Shipping out time Quantity
5mg USD 270 2 Weeks
10mg USD 440 2 Weeks
25mg USD 790 2 Weeks
Inquire bulk and customized quantity

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

G-1, 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#: 563350
Name: G-1
CAS#: 881639-98-1
Chemical Formula: C21H18BrNO3
Exact Mass: 411.047
Molecular Weight: 412.28
Elemental Analysis: C, 61.18; H, 4.40; Br, 19.38; N, 3.40; O, 11.64

Synonym: G-1; G 1; G1;

IUPAC/Chemical Name: Syn-1-[4-(6-bromobenzo[1,3] dioxol-5yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-8-yl]-ethanone


InChi Code: InChI=1S/C21H18BrNO3/c1-11(24)12-5-6-18-15(7-12)13-3-2-4-14(13)21(23-18)16-8-19-20(9-17(16)22)26-10-25-19/h2-3,5-9,13-14,21,23H,4,10H2,1H3

SMILES Code: CC(C1=CC2=C(NC(C3=C(Br)C=C(OCO4)C4=C3)C5C2C=CC5)C=C1)=O

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:
>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:


1: Thomas P. Rapid steroid hormone actions initiated at the cell surface and the receptors that mediate them with an emphasis on recent progress in fish models. Gen Comp Endocrinol. 2012 Feb 1;175(3):367-83. doi: 10.1016/j.ygcen.2011.11.032. Epub 2011 Nov 29. Review. PubMed PMID: 22154643; PubMed Central PMCID: PMC3264783.

2: Revankar CM, Mitchell HD, Field AS, Burai R, Corona C, Ramesh C, Sklar LA, Arterburn JB, Prossnitz ER. Synthetic estrogen derivatives demonstrate the functionality of intracellular GPR30. ACS Chem Biol. 2007 Aug 17;2(8):536-44. Epub 2007 Jul 27. PubMed PMID: 17655271.

3: Song RX, Fan P, Yue W, Chen Y, Santen RJ. Role of receptor complexes in the extranuclear actions of estrogen receptor alpha in breast cancer. Endocr Relat Cancer. 2006 Dec;13 Suppl 1:S3-13. Review. PubMed PMID: 17259556.

4: Revankar CM, Cimino DF, Sklar LA, Arterburn JB, Prossnitz ER. A transmembrane intracellular estrogen receptor mediates rapid cell signaling. Science. 2005 Mar 11;307(5715):1625-30. Epub 2005 Feb 10. PubMed PMID: 15705806.