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MedKoo Cat#: 319707 | Name: Etamicastat HCl

Description:

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

Etamicastat, also known as BIA 5-453, is a potent, reversible, peripherally selective dopamine β-hydroxylase inhibitor (DBH inhibitor). Chronic dopamine ß-hydroxylase inhibition with etamicastat effectively decreases blood pressure, although does not prevent the development of hypertension in the spontaneously hypertensive rat.

Chemical Structure

Etamicastat HCl
Etamicastat HCl
CAS#677773-32-9 (HCl)

Theoretical Analysis

MedKoo Cat#: 319707

Name: Etamicastat HCl

CAS#: 677773-32-9 (HCl)

Chemical Formula: C14H16ClF2N3OS

Exact Mass:

Molecular Weight: 347.81

Elemental Analysis: C, 48.35; H, 4.64; Cl, 10.19; F, 10.92; N, 12.08; O, 4.60; S, 9.22

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
Bulk Inquiry
Related CAS #
677773-32-9 (HCl) 760173-05-5 (free base)
Synonym
BIA 5-453; BIA5-453; BIA-5-453; Etamicastat
IUPAC/Chemical Name
(R)-5-(2-aminoethyl)-1-(6,8-difluorochroman-3-yl)-1,3-dihydro-2H-imidazole-2-thione hydrochloride
InChi Key
CKRDOSZCFINPAD-RFVHGSKJSA-N
InChi Code
InChI=1S/C14H15F2N3OS.ClH/c15-9-3-8-4-11(7-20-13(8)12(16)5-9)19-10(1-2-17)6-18-14(19)21;/h3,5-6,11H,1-2,4,7,17H2,(H,18,21);1H/t11-;/m1./s1
SMILES Code
FC1=CC(F)=C(OC[C@H](N2C(CCN)=CNC2=S)C3)C3=C1.[H]Cl
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, not in water
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
More Info
Related CAS# 760173-05-5(Etamicastat free base) 677773-32-9(Etamicastat HCl )

Preparing Stock Solutions

The following data is based on the product molecular weight 347.81 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
1: Igreja B, Wright LC, Soares-da-Silva P. Sustained high blood pressure reduction with etamicastat, a peripheral selective dopamine β-hydroxylase inhibitor. J Am Soc Hypertens. 2015 Dec 19. pii: S1933-1711(15)00838-4. doi: 10.1016/j.jash.2015.12.011. [Epub ahead of print] PubMed PMID: 26803288. 2: Loureiro AI, Bonifácio MJ, Fernandes-Lopes C, Pires N, Igreja B, Wright LC, Soares-da-Silva P. Role of P-glycoprotein and permeability upon the brain distribution and pharmacodynamics of etamicastat: a comparison with nepicastat. Xenobiotica. 2015;45(9):828-39. doi: 10.3109/00498254.2015.1018985. Epub 2015 Jun 10. PubMed PMID: 25915108. 3: Loureiro AI, Soares-da-Silva P. Distribution and pharmacokinetics of etamicastat and its N-acetylated metabolite (BIA 5-961) in dog and monkey. Xenobiotica. 2015;45(10):903-11. doi: 10.3109/00498254.2015.1024780. Epub 2015 Apr 14. PubMed PMID: 25869244. 4: Pires NM, Igreja B, Moura E, Wright LC, Serrão MP, Soares-da-Silva P. Blood pressure decrease in spontaneously hypertensive rats folowing renal denervation or dopamine β-hydroxylase inhibition with etamicastat. Hypertens Res. 2015 Sep;38(9):605-12. doi: 10.1038/hr.2015.50. Epub 2015 Apr 9. PubMed PMID: 25854989. 5: Bonifácio MJ, Sousa F, Neves M, Palma N, Igreja B, Pires NM, Wright LC, Soares-da-Silva P. Characterization of the interaction of the novel antihypertensive etamicastat with human dopamine-β-hydroxylase: comparison with nepicastat. Eur J Pharmacol. 2015 Mar 15;751:50-8. doi: 10.1016/j.ejphar.2015.01.034. Epub 2015 Jan 29. PubMed PMID: 25641750. 6: Pires NM, Loureiro AI, Igreja B, Lacroix P, Soares-da-Silva P. Cardiovascular safety pharmacology profile of etamicastat, a novel peripheral selective dopamine-β-hydroxylase inhibitor. Eur J Pharmacol. 2015 Mar 5;750:98-107. doi: 10.1016/j.ejphar.2015.01.035. Epub 2015 Jan 30. PubMed PMID: 25641747. 7: Igreja B, Pires NM, Bonifácio MJ, Loureiro AI, Fernandes-Lopes C, Wright LC, Soares-da-Silva P. Blood pressure-decreasing effect of etamicastat alone and in combination with antihypertensive drugs in the spontaneously hypertensive rat. Hypertens Res. 2015 Jan;38(1):30-8. doi: 10.1038/hr.2014.143. Epub 2014 Oct 9. PubMed PMID: 25298210. 8: Loureiro AI, Bonifácio MJ, Fernandes-Lopes C, Igreja B, Wright LC, Soares-da-Silva P. Etamicastat, a new dopamine-ß-hydroxylase inhibitor, pharmacodynamics and metabolism in rat. Eur J Pharmacol. 2014 Oct 5;740:285-94. doi: 10.1016/j.ejphar.2014.07.027. Epub 2014 Jul 21. PubMed PMID: 25058908. 9: Almeida L, Nunes T, Costa R, Rocha JF, Vaz-da-Silva M, Soares-da-Silva P. Etamicastat, a novel dopamine β-hydroxylase inhibitor: tolerability, pharmacokinetics, and pharmacodynamics in patients with hypertension. Clin Ther. 2013 Dec;35(12):1983-96. doi: 10.1016/j.clinthera.2013.10.012. Epub 2013 Dec 2. PubMed PMID: 24296323. 10: Loureiro AI, Rocha JF, Fernandes-Lopes C, Nunes T, Wright LC, Almeida L, Soares-da-Silva P. Human disposition, metabolism and excretion of etamicastat, a reversible, peripherally selective dopamine β-hydroxylase inhibitor. Br J Clin Pharmacol. 2014 Jun;77(6):1017-26. doi: 10.1111/bcp.12274. PubMed PMID: 24168152; PubMed Central PMCID: PMC4093927. 11: Loureiro AI, Fernandes-Lopes C, Bonifácio MJ, Wright LC, Soares-da-Silva P. N-acetylation of etamicastat, a reversible dopamine-β-hydroxylase inhibitor. Drug Metab Dispos. 2013 Dec;41(12):2081-6. doi: 10.1124/dmd.113.053736. Epub 2013 Sep 6. PubMed PMID: 24013186. 12: Nunes T, Rocha JF, Vaz-da-Silva M, Falcão A, Almeida L, Soares-da-Silva P. Pharmacokinetics and tolerability of etamicastat following single and repeated administration in elderly versus young healthy male subjects: an open-label, single-center, parallel-group study. Clin Ther. 2011 Jun;33(6):776-91. doi: 10.1016/j.clinthera.2011.05.048. PubMed PMID: 21704242. 13: Vaz-da-Silva M, Nunes T, Rocha JF, Falcão A, Almeida L, Soares-da-Silva P. Effect of food on the pharmacokinetic profile of etamicastat (BIA 5-453). Drugs R D. 2011;11(2):127-36. doi: 10.2165/11587080-000000000-00000. PubMed PMID: 21548660; PubMed Central PMCID: PMC3585837. 14: Rocha JF, Vaz-Da-Silva M, Nunes T, Igreja B, Loureiro AI, Bonifácio MJ, Wright LC, Falcão A, Almeida L, Soares-Da-Silva P. Single-dose tolerability, pharmacokinetics, and pharmacodynamics of etamicastat (BIA 5-453), a new dopamine β-hydroxylase inhibitor, in healthy subjects. J Clin Pharmacol. 2012 Feb;52(2):156-70. doi: 10.1177/0091270010390805. PubMed PMID: 21343348. 15: Nunes T, Rocha JF, Vaz-da-Silva M, Igreja B, Wright LC, Falcão A, Almeida L, Soares-da-Silva P. Safety, tolerability, and pharmacokinetics of etamicastat, a novel dopamine-β-hydroxylase inhibitor, in a rising multiple-dose study in young healthy subjects. Drugs R D. 2010;10(4):225-42. doi: 10.2165/11586310-000000000-00000. PubMed PMID: 21171669; PubMed Central PMCID: PMC3585840. 16: Beliaev A, Learmonth DA, Soares-da-Silva P. Synthesis and biological evaluation of novel, peripherally selective chromanyl imidazolethione-based inhibitors of dopamine beta-hydroxylase. J Med Chem. 2006 Feb 9;49(3):1191-7. PubMed PMID: 16451083.