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Pharmacopeial Impurities (EP / USP / BP)

Tacrolimus EP Impurity E

Reference StandardAvailable on request

Order Tacrolimus EP Impurity E (CAS 104987-30-6) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Tacrolimus EP Impurity E chemical structure
CAS number104987-30-6
FormulaC44H71NO12
Molar mass806 g/mol
Physical formSolid
HS code38229090
InChIKeyRQYGKZGKXDOUEO-LFZNUXCKSA-N

About Tacrolimus EP Impurity E

Tacrolimus EP Impurity E belongs to the Tacrolimus reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 104987-30-6, formula C44H71NO12 and molar mass 806 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Danger (H301, H311 and H330), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Tacrolimus

See every impurity, metabolite and related compound we list for this API.

Tacrolimus standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Tacrolimus EP Impurity E
Product nameTacrolimus EP Impurity E
Catalogue numberZX-027061
CAS number104987-30-6
IUPAC name(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Molecular formulaC44H71NO12
Molar mass806 g/mol
Exact mass805.4976
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors3 / 12
Topological polar surface area178 Ų
HS code38229090
InChIKeyRQYGKZGKXDOUEO-LFZNUXCKSA-N
SMILESCCC[C@@H]1/C=C(/C[C@@H](C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC1=O)O)C)/C(=C/[C@@H]4CC[C@H]([C@@H](C4)OC)O)/C)O)C)OC)OC)C)\C
PubChem CID13819087
SynonymsTacrolimus 8-Propyl Analog, Tacrolimus Monohydrate - Impurity E, Tsukubamycin B, Dihydro-FK-506, Dihydro-fk-506, (-)-, Dihydro FK-506

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H330Fatal if inhaled

Precautionary statements P260, P262, P264, P270, P271, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P320, P321, P330, P361 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Tacrolimus EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Tacrolimus EP Impurity E

Which CAS number identifies Tacrolimus EP Impurity E?
Tacrolimus EP Impurity E is registered under CAS 104987-30-6. You may also see it listed as Tacrolimus 8-Propyl Analog, Tacrolimus Monohydrate - Impurity E, Tsukubamycin B. Our catalogue number for this item is ZX-027061.
What are the formula and molar mass of Tacrolimus EP Impurity E?
For Tacrolimus EP Impurity E, its formula is C44H71NO12 and its molar mass is 806 g/mol. InChIKey RQYGKZGKXDOUEO-LFZNUXCKSA-N lets you match it in any structure database.
How is Tacrolimus EP Impurity E used in pharmaceutical QC?
Tacrolimus EP Impurity E is a characterised reference material linked to Tacrolimus. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Tacrolimus EP Impurity E?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tacrolimus EP Impurity E?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Tacrolimus EP Impurity E to my country?
Yes. Because Tacrolimus EP Impurity E is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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