Tacrolimus Lactone Isomer

Name: Tacrolimus Lactone Isomer
Brand: Vaqora Chemicals
SKU: VQ-028172

About Tacrolimus Lactone Isomer

Vaqora Chemicals supplies Tacrolimus Lactone Isomer, an impurity of Tacrolimus registered under CAS number 134590-88-8. The compound has the formula C44H69NO12, corresponding to a molecular weight of 804.0 g/mol. It is also known as Iso-FK-506 (iso-Tacrolimus) or iso-Tacrolimus.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Tacrolimus, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Tacrolimus Lactone Isomer in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tacrolimus

View every impurity, metabolite and intermediate we list for Tacrolimus.

Tacrolimus impurities

Specifications & identifiers

Chemical identifiers
Product name	Tacrolimus Lactone Isomer
Catalogue No.	VQ-028172
CAS Number	134590-88-8
IUPAC name	(1R,9S,12S,15R,16E,19S,21S,22R,23R,25R)-1-hydroxy-12-[(E,2S,3S)-3-hydroxy-5-[(1R,3S,4R)-4-hydroxy-3-methoxycyclohexyl]-4-methylpent-4-en-2-yl]-21,23-dimethoxy-17,19,25-trimethyl-15-prop-2-enyl-11,26-dioxa-4-azatricyclo[20.3.1.04,9]hexacos-16-ene-2,3,10,14-tetrone
Molecular formula	C₄₄H₆₉NO₁₂
Molecular weight	804 g/mol
Exact mass	803.482
Grade	Reference Standard
HSN code	38229090
InChIKey	YXGKFJMGANONSQ-JJHPLQLISA-N
SMILES	C[C@@H]1C[C@@H]([C@@H]2[C@@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H](CC(=O)[C@@H](/C=C(/C1)\C)CC=C)[C@@H](C)[C@@H](/C(=C/[C@@H]4CC[C@H]([C@H](C4)OC)O)/C)O)O)C)OC)OC
PubChem CID	71749558

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	3 / 12
TPSA	178 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tacrolimus Lactone Isomer?

The CAS Registry Number of Tacrolimus Lactone Isomer is 134590-88-8. It is also known as Iso-FK-506 (iso-Tacrolimus), iso-Tacrolimus.

What is the molecular formula and molecular weight of Tacrolimus Lactone Isomer?

Tacrolimus Lactone Isomer has the molecular formula C44H69NO12 and a molecular weight of 804 g/mol.

What is Tacrolimus Lactone Isomer used for?

Tacrolimus Lactone Isomer is supplied as a characterised reference material related to Tacrolimus. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Tacrolimus Lactone Isomer can I order?

We supply Tacrolimus Lactone Isomer in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tacrolimus Lactone Isomer?

Yes. Every lot of Tacrolimus Lactone Isomer is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tacrolimus Lactone Isomer be shipped internationally?

Yes. We export Tacrolimus Lactone Isomer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.