MedKoo Cat#: 414701 | Name: Oxythiamine Free Base

Description:

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

Oxythiamine Free Base is a thiamine antagonist, antimetabolite.

Chemical Structure

Oxythiamine Free Base
Oxythiamine Free Base
CAS#136-16-3 (free base)

Theoretical Analysis

MedKoo Cat#: 414701

Name: Oxythiamine Free Base

CAS#: 136-16-3 (free base)

Chemical Formula: C12H16N3O2S+

Exact Mass: 266.0958

Molecular Weight: 266.34

Elemental Analysis: C, 54.12; H, 6.06; N, 15.78; O, 12.01; S, 12.04

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 #
136-16-3 (free base); 614-05-1 (chloride HCl)
Synonym
Oxythiamine Free Base; BRN4153910; BRN-4153910; BRN 4153910
IUPAC/Chemical Name
Thiazolium, 3-((1,4-dihydro-2-methyl-4-oxo-5-pyrimidinyl)methyl)-5-(2-hydroxyethyl)-4-methyl-
InChi Key
SRDGSXVLAVRBLU-UHFFFAOYSA-O
InChi Code
InChI=1S/C12H15N3O2S/c1-8-11(3-4-16)18-7-15(8)6-10-5-13-9(2)14-12(10)17/h5,7,16H,3-4,6H2,1-2H3/p+1
SMILES Code
CC1=C(CCO)SC=[N+]1CC2=CNC(C)=NC2=O
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
To be determined
Shelf Life
>2 years if stored properly
Drug Formulation
To be determined
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

Preparing Stock Solutions

The following data is based on the product molecular weight 266.34 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: Golan O, Dyer R, Sinclair G, Blydt-Hansen T. Investigating oxythiamine levels in children undergoing kidney transplantation and the risk of immediate post- operative metabolic and hemodynamic decompensation. Pediatr Nephrol. 2021 Apr;36(4):987-993. doi: 10.1007/s00467-020-04797-9. Epub 2020 Oct 16. PMID: 33067673. 2: Thiamine and oxythiamine metabolism. Nutr Rev. 1969 Mar;27(3):88-90. doi: 10.1111/j.1753-4887.1969.tb04972.x. PMID: 4891096. 3: Siemieniuk M, Sosnowska K, Czerniecki J, Czyzewska U, Winnicka K, Tylicki A. Oxythiamine improves antifungal activity of ketoconazole evaluated in canine Malassezia pachydermatis strains. Vet Dermatol. 2018 Dec;29(6):476-e160. doi: 10.1111/vde.12688. Epub 2018 Sep 24. PMID: 30251451. 4: Zhang F, Masania J, Anwar A, Xue M, Zehnder D, Kanji H, Rabbani N, Thornalley PJ. The uremic toxin oxythiamine causes functional thiamine deficiency in end- stage renal disease by inhibiting transketolase activity. Kidney Int. 2016 Aug;90(2):396-403. doi: 10.1016/j.kint.2016.03.010. Epub 2016 May 16. PMID: 27198804. 5: Vinogradov VV, Vodoevich VP, Rozhko AV. Iavliaetsia li oksitiamin antivitaminom? [Is oxythiamine an antivitamin?]. Biokhimiia. 1995 Oct;60(10):1564-74. Russian. PMID: 8555356. 6: Tylicki A, Czerniecki J, Dobrzyn P, Matanowska A, Olechno A, Strumilo S. Modification of thiamine pyrophosphate dependent enzyme activity by oxythiamine in Saccharomyces cerevisiae cells. Can J Microbiol. 2005 Oct;51(10):833-9. doi: 10.1139/w05-072. PMID: 16333342. 7: Szoka L, Karna E, Palka J. The mechanism of oxythiamine-induced collagen biosynthesis in cultured fibroblasts. Mol Cell Biochem. 2015 May;403(1-2):51-60. doi: 10.1007/s11010-015-2336-z. Epub 2015 Jan 28. PMID: 25626895; PMCID: PMC4383821. 8: Grabowska E, Czerniecka M, Czyżewska U, Zambrzycka A, Łotowski Z, Tylicki A. Differences in the efficiency of 3-deazathiamine and oxythiamine pyrophosphates as inhibitors of pyruvate dehydrogenase complex and growth of HeLa cells in vitro. J Enzyme Inhib Med Chem. 2021 Dec;36(1):122-129. doi: 10.1080/14756366.2020.1844681. PMID: 33187452; PMCID: PMC7671598. 9: Tseng CW, Kuo WH, Chan SH, Chan HL, Chang KJ, Wang LH. Transketolase Regulates the Metabolic Switch to Control Breast Cancer Cell Metastasis via the α-Ketoglutarate Signaling Pathway. Cancer Res. 2018 Jun 1;78(11):2799-2812. doi: 10.1158/0008-5472.CAN-17-2906. Epub 2018 Mar 29. PMID: 29599405. 10: Yang CM, Liu YZ, Liao JW, Hu ML. The in vitro and in vivo anti-metastatic efficacy of oxythiamine and the possible mechanisms of action. Clin Exp Metastasis. 2010 May;27(5):341-9. doi: 10.1007/s10585-010-9331-2. Epub 2010 May 7. PMID: 20449639.