25-Desacetylrifapentine
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Hodoodo CAT#: H596482

CAS#: 79039-56-8

Description: 25-Desacetylrifapentine is the main metabolite of DL 473-IT in plasma.


Chemical Structure

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25-Desacetylrifapentine
CAS# 79039-56-8

Theoretical Analysis

Hodoodo Cat#: H596482
Name: 25-Desacetylrifapentine
CAS#: 79039-56-8
Chemical Formula: C45H62N4O11
Exact Mass: 834.44
Molecular Weight: 835.000
Elemental Analysis: C, 64.73; H, 7.48; N, 6.71; O, 21.08

Price and Availability

Size Price Availability Quantity
5mg USD 420 2 Weeks
10mg USD 740 2 Weeks
25mg USD 1450 2 Weeks
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Synonym: 25-Desacetylrifapentine; L-14583; L 14583; L14583;

IUPAC/Chemical Name: Rifamycin, 3-(((4-cyclopentyl-1-piperazinyl)imino)methyl)-25-O-deacetyl-

InChi Key: LPUNEQQTZOWCNO-WHXRYXKQSA-N

InChi Code: InChI=1S/C45H62N4O11/c1-23-12-11-13-24(2)44(57)47-35-30(22-46-49-19-17-48(18-20-49)29-14-9-10-15-29)40(54)32-33(41(35)55)39(53)28(6)42-34(32)43(56)45(7,60-42)59-21-16-31(58-8)25(3)37(51)27(5)38(52)26(4)36(23)50/h11-13,16,21-23,25-27,29,31,36-38,50-55H,9-10,14-15,17-20H2,1-8H3,(H,47,57)/b12-11+,21-16+,24-13+,46-22+/t23-,25+,26+,27-,31-,36-,37+,38+,45-/m0/s1

SMILES Code: CO[C@H]1/C=C/O[C@]2(Oc(c(C)c3O)c(C2=O)c4c3c(O)c(NC(/C(C)=C/C=C/[C@@H]([C@@H]([C@H]([C@H]([C@H]([C@@H]([C@@H]1C)O)C)O)C)O)C)=O)c(/C=N/N5CCN(C6CCCC6)CC5)c4O)C

Appearance: Solid powder

Purity: >95% (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: >2 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:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 835.00 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Egelund EF, Weiner M, Singh RP, Prihoda TJ, Gelfond JA, Derendorf H, Mac Kenzie WR, Peloquin CA. Protein binding of rifapentine and its 25-desacetyl metabolite in patients with pulmonary tuberculosis. Antimicrob Agents Chemother. 2014 Aug;58(8):4904-10. doi: 10.1128/AAC.01730-13. Epub 2014 May 19. PubMed PMID: 24841270; PubMed Central PMCID: PMC4136068.

2: Keung AC, Owens RC Jr, Eller MG, Weir SJ, Nicolau DP, Nightingale CH. Pharmacokinetics of rifapentine in subjects seropositive for the human immunodeficiency virus: a phase I study. Antimicrob Agents Chemother. 1999 May;43(5):1230-3. PubMed PMID: 10223941; PubMed Central PMCID: PMC89138.

3: Keung AC, Eller MG, Weir SJ. Pharmacokinetics of rifapentine in patients with varying degrees of hepatic dysfunction. J Clin Pharmacol. 1998 Jun;38(6):517-24. PubMed PMID: 9650541.

4: Riva E, Merati R, Cavenaghi L. High-performance liquid chromatographic determination of rifapentine and its metabolite in human plasma by direct injection into a shielded hydrophobic phase column. J Chromatogr. 1991 Aug 16;553(1-2):35-40. PubMed PMID: 1787163.

5: Ratti B, Toselli A, Rosina Parenti R. Method for determination of DL 473-IT and its metabolite L 14583 in plasma of humans, monkeys and rats. Farmaco Prat. 1981 Jul;36(7):319-28. PubMed PMID: 6791958.