MedKoo Cat#: 574415 | Name: ST-91
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Description:

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

ST-91 is an α2-adrenoceptor agonist that does not cross the blood brain barrier. It has antinociceptive effects and increases tail-flick latencies in Sasco and Harlan rats.

Chemical Structure

ST-91
CAS#4749-61-5

Theoretical Analysis

MedKoo Cat#: 574415

Name: ST-91

CAS#: 4749-61-5

Chemical Formula: C13H20ClN3

Exact Mass: 253.1346

Molecular Weight: 253.77

Elemental Analysis: C, 61.53; H, 7.94; Cl, 13.97; N, 16.56

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Related CAS #
No Data
Synonym
ST-91, ST91, ST 91
IUPAC/Chemical Name
N-(2,6-Diethylphenyl)-4,5-dihydro-1H-imidazol-2-amine hydrochloride
InChi Key
ZLRWFGBEDNTMEU-UHFFFAOYSA-N
InChi Code
InChI=1S/C13H19N3.ClH/c1-3-10-6-5-7-11(4-2)12(10)16-13-14-8-9-15-13;/h5-7H,3-4,8-9H2,1-2H3,(H2,14,15,16);1H
SMILES Code
CCC1=C(NC2=NCCN2)C(CC)=CC=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
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
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 253.77 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
Yaoita F, Muto M, Murakami H, Endo S, Kozawa M, Tsuchiya M, Tadano T, Tan-No K. Involvement of peripheral alpha2A adrenoceptor in the acceleration of gastrointestinal transit and abdominal visceral pain induced by intermittent deprivation of REM sleep. Physiol Behav. 2018 Mar 15;186:52-61. doi: 10.1016/j.physbeh.2018.01.010. Epub 2018 Jan 12. PMID: 29338982. Steckler AJ, Cardenas-Alvarez MX, Townsend Ramsett MK, Dyer N, Bergholz TM. Genetic characterization of Listeria monocytogenes from ruminant listeriosis from different geographical regions in the U.S. Vet Microbiol. 2018 Feb;215:93-97. doi: 10.1016/j.vetmic.2017.12.021. Epub 2017 Dec 26. PMID: 29290393. Schmidt-Rondon E, Wang Z, Malkmus SA, Di Nardo A, Hildebrand K, Page L, Yaksh TL. Effects of opioid and nonopioid analgesics on canine wheal formation and cultured human mast cell degranulation. Toxicol Appl Pharmacol. 2018 Jan 1;338:54-64. doi: 10.1016/j.taap.2017.10.017. Epub 2017 Oct 27. PMID: 29111148; PMCID: PMC9841896. Carvalho-Castro GA, Silva JR, Paiva LV, Custódio DAC, Moreira RO, Mian GF, Prado IA, Chalfun-Junior A, Costa GM. Molecular epidemiology of Streptococcus agalactiae isolated from mastitis in Brazilian dairy herds. Braz J Microbiol. 2017 Jul-Sep;48(3):551-559. doi: 10.1016/j.bjm.2017.02.004. Epub 2017 Feb 16. PMID: 28256391; PMCID: PMC5498452.