L 683519 | CAS#132172-14-6 | Tacrolimus impurity

MedKoo Cat#: 596637 | Name: L 683519

Description:

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

L 683519 is one of the impurities of Tacrolimus, which is a kind of immunosuppressant and could restrain the activity of FK-506 binding protein.

Chemical Structure

L 683519

CAS#132172-14-6

Theoretical Analysis

MedKoo Cat#: 596637

Name: L 683519

CAS#: 132172-14-6

Chemical Formula: C43H67NO12

Exact Mass: 789.4663

Molecular Weight: 790.00

Elemental Analysis: C, 65.38; H, 8.55; N, 1.77; O, 24.30

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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Related CAS #

No Data

Synonym

L 683519; L-683519; L683519; 13-Desmethyl FK 506;

IUPAC/Chemical Name

16,19-Epoxy-3H-pyrido(2,1-c)(1,4)oxaazacyclotricosine-1,7,20,21(4H,21H)-tetrone, 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,15,19-trihydroxy-3-(2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl)-14-methoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-, (3S-(3R*(E(1S*,3S*,4S*)),4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*))-

InChi Key

OKRZOXIQNKYTBL-LYJFWTRJSA-N

InChi Code

InChI=1S/C43H67NO12/c1-9-12-30-18-24(2)17-25(3)19-36(54-8)38(48)37-21-27(5)43(52,56-37)40(49)41(50)44-16-11-10-13-31(44)42(51)55-39(28(6)33(46)23-34(30)47)26(4)20-29-14-15-32(45)35(22-29)53-7/h9,18,20,25,27-33,35-39,45-46,48,52H,1,10-17,19,21-23H2,2-8H3/b24-18+,26-20+/t25-,27+,28+,29-,30+,31-,32?,33-,35?,36-,37-,38+,39+,43+/m0/s1

SMILES Code

O=C([C@@](CCCC1)([H])N1C(C([C@@]2(O)[C@H](C)C[C@@](O2)([H])[C@H](O)[C@@H](OC)C[C@@H](C)C/C(C)=C/[C@H]3CC=C)=O)=O)O[C@H](/C(C)=C/[C@H]4CC(OC)C(O)CC4)[C@H](C)[C@@H](O)CC3=O

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

>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

Instruction

View handling instruction

Preparing Stock Solutions

The following data is based on the product molecular weight 790.00 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.

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: Chen TS, Arison BH, Wicker LS, Inamine ES. Microbial transformation of immunosuppressive compounds. II. Specific desmethylation of 13-methoxy group of FK 506 and FR 900520 by an unidentified Actinomycete ATCC 53828 [corrected]. J Antibiot (Tokyo). 1992 Apr;45(4):577-80. Erratum in: J Antibiot (Tokyo) 1992 Jun;45(6):C-2. PubMed PMID: 1375593.