MedKoo Cat#: 125463 | Name: Theophylline ephedrine

Description:

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

Theophylline ephedrine is a pharmacologically active salt useful for the treatment of obstructive ventilatory disorders.

Chemical Structure

Theophylline ephedrine
Theophylline ephedrine
CAS#15766-94-6 (ephedrine)

Theoretical Analysis

MedKoo Cat#: 125463

Name: Theophylline ephedrine

CAS#: 15766-94-6 (ephedrine)

Chemical Formula: C17H23N5O3

Exact Mass: 345.1800

Molecular Weight: 345.40

Elemental Analysis: C, 59.12; H, 6.71; N, 20.28; O, 13.90

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.
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Synonym
Theophylline ephedrine; Theophylline ephedrine [INN]; Theophylline ephedrine [WHO-DD]; Theophylline-(-)-ephedrine compound; LMS3EG69X8
IUPAC/Chemical Name
1,3-dimethyl-3,9-dihydro-1H-purine-2,6-dione--(1R,2S)-2-(methylamino)-1-phenylpropan-1-ol (1/1)
InChi Key
QCGRAEADKWZHRR-GNAZCLTHSA-N
InChi Code
InChI=1S/C10H15NO.C7H8N4O2/c1-8(11-2)10(12)9-6-4-3-5-7-9;1-10-5-4(8-3-9-5)6(12)11(2)7(10)13/h3-8,10-12H,1-2H3;3H,1-2H3,(H,8,9)/t8-,10-;/m0./s1
SMILES Code
CN[C@@H](C)[C@H](O)C1=CC=CC=C1.CN2C3=C(N=CN3)C(=O)N(C)C2=O
Appearance
To be determined
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 345.40 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: Graham TE. Caffeine and exercise: metabolism, endurance and performance. Sports Med. 2001;31(11):785-807. doi: 10.2165/00007256-200131110-00002. PMID: 11583104. 2: Senchina DS, Hallam JE, Kohut ML, Nguyen NA, Perera MA. Alkaloids and athlete immune function: caffeine, theophylline, gingerol, ephedrine, and their congeners. Exerc Immunol Rev. 2014;20:68-93. PMID: 24974722. 3: Weinberger M, Bronsky E, Bensch GW, Bock GN, Yecies JJ. Interaction of ephedrine and theophylline. Clin Pharmacol Ther. 1975 May;17(5):585-92. doi: 10.1002/cpt1975175585. PMID: 1092514. 4: Simons FE. Nonprescription availability of theophylline, epinephrine and ephedrine for asthma. CMAJ. 1987 Nov 1;137(9):789. PMID: 3442767; PMCID: PMC1267346. 5: Pinnas JL, Schachtel BP, Chen TM, Roseberry HR, Thoden WR. Inhaled epinephrine and oral theophylline-ephedrine in the treatment of asthma. J Clin Pharmacol. 1991 Mar;31(3):243-7. doi: 10.1002/j.1552-4604.1991.tb04969.x. PMID: 2019665. 6: Brooks SM, Sholiton LJ, Werk EE Jr, Altenau P. The effects of ephedrine and theophylline on dexamethasone metabolism in bronchial asthma. J Clin Pharmacol. 1977 May-Jun;17(5-6):308-18. doi: 10.1002/j.1552-4604.1977.tb04610.x. PMID: 870547. 7: Erk N. Assay of ephedrine hydrochloride and theophylline in pharmaceutical formulations by differential-derivative spectroscopy. J Pharm Biomed Anal. 2000 Aug 15;23(2-3):255-61. doi: 10.1016/s0731-7085(00)00288-0. PMID: 10933518. 8: Taylor WF, Heimlich EM, Strick L, Busser R. Ephedrine and theophylline in asthmatic children: quantitive observations on the combination and ephedrine tachyphylaxis. Ann Allergy. 1965 Sep;23(9):437-40. PMID: 5318774. 9: Bush RK, Smith AM, Welling PG, Alcala JC, Lee TP. A comparison of a theophylline-ephedrine combination with terbutaline. Ann Allergy. 1978 Jul;41(1):13-7. PMID: 208429.