Lysine theophylline

Orders received during 11/25~11/29 will be shipped in 11/30/2020 due to Thanksgiving holiday.

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

MedKoo CAT#: 530771

CAS#: 83920-54-1

Description: Lysine theophylline is a soluble theophylline.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-11-29. Prices are subject to change without notice.

Lysine theophylline is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 530771
Name: Lysine theophylline
CAS#: 83920-54-1
Chemical Formula: C13H22N6O4
Exact Mass: 326.1703
Molecular Weight: 326.357
Elemental Analysis: C, 47.84; H, 6.80; N, 25.75; O, 19.61

Synonym: Lysine theophylline

IUPAC/Chemical Name: L-Lysine, compd. with 3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione (1:1)


InChi Code: InChI=1S/C7H8N4O2.C6H14N2O2/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;7-4-2-1-3-5(8)6(9)10/h3H,1-2H3,(H,8,9);5H,1-4,7-8H2,(H,9,10)/t;5-/m.0/s1


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: Jackson SH, Shah K, Debbas NM, Johnston A, Peverel-Cooper CA, Turner P. The interaction between i.v. theophylline and chronic oral dosing with slow release nifedipine in volunteers. Br J Clin Pharmacol. 1986 Apr;21(4):389-92. PubMed PMID: 3707813; PubMed Central PMCID: PMC1400949.

2: Jackson SH, Wiffen JK, Johnston A, Peverel-Cooper CA. The relationship between clearance of theophylline and age within the adult age range. Eur J Clin Pharmacol. 1985;29(2):177-9. PubMed PMID: 3908122.

3: Jiang CS, Kilfeather SA, Pearson RM, Turner P. The stimulatory effects of caffeine, theophylline, lysine-theophylline and 3-isobutyl-1-methylxanthine on human sperm motility. Br J Clin Pharmacol. 1984 Aug;18(2):258-62. PubMed PMID: 6207849; PubMed Central PMCID: PMC1463533.

4: Jackson SH, Wiffen JK, Johnston A, Peverel-Cooper CA. The disposition of inhaled lysine theophylline in volunteers. Eur J Clin Pharmacol. 1984;26(5):635-7. PubMed PMID: 6468482.

5: Johnston A, Aldhous ME, Hedges A, Weerasuriya K, Freedman A, Turner P. The pharmacokinetics of lysine theophylline, a new soluble theophylline, in human volunteers. Postgrad Med J. 1983 Feb;59(688):86-7. PubMed PMID: 6844192; PubMed Central PMCID: PMC2417382.