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Tolterodine tartrate

Potent, non-selective muscarinic receptor antagonist CAS# 124937-52-6

Tolterodine tartrate

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Chemical structure

Tolterodine tartrate

3D structure

Chemical Properties of Tolterodine tartrate

Cas No. 124937-52-6 SDF Download SDF
PubChem ID 123605 Appearance Powder
Formula C26H37NO7 M.Wt 475.57
Type of Compound N/A Storage Desiccate at -20°C
Synonyms Detrol LA; Kabi-2234; PNU-200583E
Solubility DMSO : 100 mg/mL (210.27 mM; Need ultrasonic)
H2O : 16.67 mg/mL (35.05 mM; Need ultrasonic)
Chemical Name (2R,3R)-2,3-dihydroxybutanedioic acid;2-[(1S)-3-[di(propan-2-yl)amino]-1-phenylpropyl]-4-methylphenol
SMILES CC1=CC(=C(C=C1)O)C(CCN(C(C)C)C(C)C)C2=CC=CC=C2.C(C(C(=O)O)O)(C(=O)O)O
Standard InChIKey TWHNMSJGYKMTRB-CDHDNNKHSA-N
Standard InChI InChI=1S/C22H31NO.C4H6O6/c1-16(2)23(17(3)4)14-13-20(19-9-7-6-8-10-19)21-15-18(5)11-12-22(21)24;5-1(3(7)8)2(6)4(9)10/h6-12,15-17,20,24H,13-14H2,1-5H3;1-2,5-6H,(H,7,8)(H,9,10)/t20-;1-,2-/m01/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of Tolterodine tartrate

DescriptionHigh affinity muscarinic receptor antagonist (Ki = 3.3 nM). Active at all muscarinic receptor subtypes (M1 - M5); exhibits a greater effect on the bladder than salivary glands in vivo.

Tolterodine tartrate Dilution Calculator

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Tolterodine tartrate Molarity Calculator

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Preparing Stock Solutions of Tolterodine tartrate

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1027 mL 10.5137 mL 21.0274 mL 42.0548 mL 52.5685 mL
5 mM 0.4205 mL 2.1027 mL 4.2055 mL 8.411 mL 10.5137 mL
10 mM 0.2103 mL 1.0514 mL 2.1027 mL 4.2055 mL 5.2568 mL
50 mM 0.0421 mL 0.2103 mL 0.4205 mL 0.8411 mL 1.0514 mL
100 mM 0.021 mL 0.1051 mL 0.2103 mL 0.4205 mL 0.5257 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on Tolterodine tartrate

Tolterodine tartrate (Detrol LA) is a tartrate salt of tolterodine that is a competitive muscarinic receptor antagonist.

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References on Tolterodine tartrate

[Cardura monotherapy versus combination therapy of cardura and tolterodine L-tartrate tablets for II degrees ? benign prostatic hyperplasia with overactive bladder].[Pubmed:24432622]

Zhonghua Nan Ke Xue. 2013 Dec;19(12):1099-102.

OBJECTIVE: To evaluate the effectiveness of the monotherapy of Cardura and the combination therapy of Cardura and Tolterodine L-Tartrate Tablets for II degrees ? benign prostate hyperplasia (BPH) with overactive bladder (OAB). METHODS: This study included 87 cases of BPH with OAB, with a disease course > or = 3 months, daily urination > or = 8 times, nocturnal urination > or = 2 times, urine volume < 200 ml per time, International Prostate Symptom Score (IPSS) > or = 8, OAB symptom score (OABS) > or = 3, quality of life score (QOL) > or = 3, post-void residual (PVR) < or = 100 ml, maximum urinary flow (Qmax) > or = 5 ml/s, prostate weight 25-50 g, and PSA < 4 microg/L. We randomized the patients to a monotherapy group (n = 44) and combination group (n = 43), the former treated with Cardura 4 mg qd, and the latter with Cardura 4 mg + Tolterodine L-Tartrate Tablets 4 mg qd, both for 8 weeks. Then we recorded the IPSS, OABS, Qmax, PVR, PSA, and adverse events. RESULTS: The baseline parameters showed no significant differences between the two groups (P > 0.05). In comparison with the baseline, both the monotherapy group and the combination therapy group showed significant decreased in the IPSS (16.50 +/- 4.27 vs 13.68 +/- 3.69 and 15.51 +/- 3.80 vs 11.49 +/- 2.75), urine storage symptom score (10.48 +/- 2.75 vs 7.98 +/- 2.34 and 9.47 +/- 2.31 vs 5.74 +/- 1.66), OABS (8.55 +/- 2.69 vs 6.32 +/- 1.97 and 8.21 +/- 2.55 vs 4.44 +/- 1.62), urgent micturition score (4.25 +/- 1.06 vs 3.23 +/- 0.99 and 4.07 +/- 0.83 vs 2.26 +/- 1.05), QOL (5.36 +/- 0.72 vs 3.43 +/- 0.66 and 5.07 +/- 0.86 vs 2.37 +/- 0.76) and PVR ([44.55 +/- 22.39] vs [38.30 +/- 20.20] ml and [36.19 +/- 21.21] vs [24.98 +/- 17.60] ml) (P < 0.01). All the six parameters were significantly more improved in the combination therapy group than in the monotherapy group (P < 0.01), but there were no remarkable differences between the groups in Qmax and voiding symptom score (P > 0.05). Neither group exhibited significant changes in the PSA level and prostate weight after treatment as compared with the baseline (P > 0.05). No acute urinary retention and other severe adverse reactions were observed during the medication. CONCLUSION: Both Cardura monotherapy and the combination therapy of Cardura + Tolterodine L-Tartrate Tablets can improve II ? BPH with OAB, and the latter has an even better efficacy than the former.

Tolterodine Tartrate Proniosomal Gel Transdermal Delivery for Overactive Bladder.[Pubmed:27589789]

Pharmaceutics. 2016 Aug 31;8(3). pii: pharmaceutics8030027.

The goal of this study was to formulate and evaluate side effects of transdermal delivery of proniosomal gel compared to oral Tolterodine tartrate (TT) for the treatment of overactive bladder (OAB). Proniosomal gels are surfactants, lipids and soy lecithin, prepared by coacervation phase separation. Formulations were analyzed for drug entrapment efficiency (EE), vesicle size, surface morphology, attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy, in vitro skin permeation, and in vivo effects. The EE was 44.87%-91.68% and vesicle size was 253-845 nm for Span formulations and morphology showed a loose structure. The stability and skin irritancy test were also carried out for the optimized formulations. Span formulations with cholesterol-containing formulation S1 and glyceryl distearate as well as lecithin containing S3 formulation showed higher cumulative percent of permeation such as 42% and 35%, respectively. In the in vivo salivary secretion model, S1 proniosomal gel had faster recovery, less cholinergic side effect on the salivary gland compared with that of oral TT. Histologically, bladder of rats treated with the proniosomal gel formulation S1 showed morphological improvements greater than those treated with S3. This study demonstrates the potential of proniosomal vesicles for transdermal delivery of TT to treat OAB.

Isolation, Identification, and Characterisation of Degradation Products and the Development and Validation of a Stability-Indicating Method for the Estimation of Impurities in the Tolterodine Tartrate Formulation.[Pubmed:26839802]

Sci Pharm. 2014 Sep 8;83(1):65-83.

A short and sensitive stability-indicating gradient RP-UPLC method was developed for the quantitative determination of process-related impurities and degradation products of Tolterodine tartrate in pharmaceutical formulations. The method was developed by using the Waters ACQUITY UPLC BEH shield RP18 (2.1 x 100 mm, 1.7 mum) column with a mobile phase containing a gradient mixture of solvent A and B at a detection wavelength of 210 nm. During the stress study, the degradation products of Tolterodine tartrate were well-resolved from tolterodine and its impurities and the mass balances were found to be satisfactory in all the stress conditions, thus proving the stability-indicating capability of the method. The developed method was validated as per ICH guidelines with respect to specificity, linearity, limit of detection and quantification, accuracy, precision, ruggedness, and robustness. During the stability (40 degrees C/75% RH, 3 months) analysis of the drug product, one unknown impurity was detected by the above stability-indicating method. The unknown impurity was isolated by preparative HPLC and subjected to mass and NMR studies. Based on the spectral data, the unknown impurity was characterised as 2-(3-amino-1-phenylpropyl)-4-methylphenol (des-N,N-diisopropyl tolterodine). Structural elucidation of the impurity by spectral data is discussed in detail.

Isolation, identification and characterization of degradant impurities in Tolterodine tartrate formulation.[Pubmed:24384498]

J Pharm Biomed Anal. 2014 Mar;90:215-21.

During the stability study of Tolterodine tartrate drug product, two unknown impurities (Impurities I and II) were detected by ultra performance liquid chromatography (UPLC). Both impurities were isolated by preparative liquid chromatography and were subjected to mass and NMR spectral studies. Based on the spectral data, the Impurities I and II were characterized as N-(3-(2-hydroxy-5-methylphenyl)-3-phenylpropyl)-N,N-diisopropyl hydroxyl ammonium trifluoro acetate and 3-(2-hydroxy-5-methylphenyl)-N-isopropyl-3-phenylpropane-1-amine oxide respectively.

Clinical experiences with tolterodine.[Pubmed:11392625]

Life Sci. 2001 Apr 27;68(22-23):2549-56.

Tolterodine is the first muscarinic receptor antagonist that has been specifically developed for the treatment of overactive bladder. The objectives in the discovery program were to design a potent muscarinic receptor antagonist that is equipotent to oxybutynin in the bladder, but less potent in salivary glands, with the aim of improving tolerability (less dry mouth) in patients with overactive bladder. Tolterodine is non-selective with respect to the muscarinic M1-M5 receptor subtypes, but has a greater effect on the bladder than on salivary glands in vivo, in both animals and humans. Clinical results show that the efficacy and safety of tolterodine in overactive bladder is equal to that of oxybutynin, but that tolterodine is significantly better tolerated by the patients.

Tolterodine--a new bladder-selective antimuscarinic agent.[Pubmed:9200560]

Eur J Pharmacol. 1997 May 30;327(2-3):195-207.

Tolterodine is a new muscarinic receptor antagonist intended for the treatment of urinary urge incontinence and other symptoms related to an overactive bladder. The aim of the present study was to compare the antimuscarinic properties of tolterodine with those of oxybutynin, in vitro and in vivo. Tolterodine effectively inhibited carbachol-induced contractions of isolated strips of urinary bladder from guinea pigs (K(B) 3.0 nM; pA2 8.6; Schild slope 0.97) and humans (K(B) 4.0 nM; pA2 8.4; Schild slope 1.04) in a concentration-dependent, competitive manner. The affinity of tolterodine was similar to that derived for oxybutynin (K(B) 4.4 nM; pA2 8.5; Schild slope 0.89) in the guinea-pig bladder. Tolterodine (21-2103 nmol/kg (0.01-1 mg/kg); intravenous infusion) was significantly more potent in inhibiting acetylcholine-induced urinary bladder contraction than electrically-induced salivation in the anaesthetised cat. In contrast, oxybutynin displayed the opposite tissue selectivity. Radioligand binding data showed that tolterodine bound with high affinity to muscarinic receptors in urinary bladder (K(i) 2.7 nM), heart (K(i) 1.6 nM), cerebral cortex (K(i) 0.75 nM) and parotid gland (K(i) 4.8 nM) from guinea pigs and in urinary bladder from humans (K(i) 3.3 nM). Tolterodine and oxybutynin were equipotent, except in the parotid gland, where oxybutynin bound with 8-times higher affinity (K(i) 0.62 nM). Binding data on human muscarinic m1-m5 receptors expressed in Chinese hamster ovary cells showed that oxybutynin, in contrast to tolterodine, exhibits selectivity (10-fold) for muscarinic m3 over m2 receptors. The K(B) value determined for oxybutynin (4.4 nM) in functional studies on guinea-pig bladder correlated better with the binding affinity at muscarinic M2/m2 receptors (K(i) 2.8 and 6.7 nM) than at muscarinic M3/m3 receptors (K(i) 0.62 and 0.67 nM). The tissue selectivity demonstrated for tolterodine in vivo cannot be attributed to selectivity for a single muscarinic receptor subtype. However, the combined in vitro and in vivo data on tolterodine and oxybutynin may indicate either that muscarinic M3/m3 receptors in glands are more sensitive to blockade than those in bladder smooth muscle, or that muscarinic M2/m2 receptors contribute to bladder contraction.

Description

Tolterodine Tartrate (Kabi-2234; PNU-200583E) is a potent muscarinic receptor antagonist and shows selectivity for the urinary bladder over salivary glands in vivo.

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