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API Impurities

N-Formyl-L-leucine

Reference StandardAvailable on request

N-Formyl-L-leucine (CAS 6113-61-7) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-025957.

Pack sizes
N-Formyl-L-leucine chemical structure
CAS number6113-61-7
FormulaC7H13NO3
Molar mass159.18 g/mol
Physical formSolid
HS code38229090
InChIKeyHFBHOAHFRNLZGN-LURJTMIESA-N
IUPAC name(2S)-2-formamido-4-methylpentanoic acid

About N-Formyl-L-leucine

N-Formyl-L-leucine belongs to the Orlistat reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 6113-61-7, formula C7H13NO3 and molar mass 159.18 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Warning (H319 and H412), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Orlistat

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

Orlistat standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of N-Formyl-L-leucine
Product nameN-Formyl-L-leucine
Catalogue numberZX-025957
CAS number6113-61-7
IUPAC name(2S)-2-formamido-4-methylpentanoic acid
Molecular formulaC7H13NO3
Molar mass159.18 g/mol
Exact mass159.0895
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors2 / 3
Topological polar surface area66.4 Ų
HS code38229090
InChIKeyHFBHOAHFRNLZGN-LURJTMIESA-N
SMILESCC(C)C[C@@H](C(=O)O)NC=O
PubChem CID9880216
SynonymsN-Formylleucine, L-Leucine, N-formyl-, formylleucine, n-formyl-s-leucine, (S)-(+)-2-Formamido-4-methylpentanoic acid, N-Formyl-Leu-OH, formyl-l-leucine, For-Leu-OH, Formylleucin, N-Formylleucine #, N-formyl-(S)-leucine, (S)-2-formamido-4-methylpentanoic acid

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P264 + P265, P273, P280, P305 + P351 + P338, P337 + P317, 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 N-Formyl-L-leucine
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 N-Formyl-L-leucine

Which CAS number identifies N-Formyl-L-leucine?
N-Formyl-L-leucine is registered under CAS 6113-61-7. You may also see it listed as N-Formylleucine, L-Leucine, N-formyl-, formylleucine. Our catalogue number for this item is ZX-025957.
What are the formula and molar mass of N-Formyl-L-leucine?
For N-Formyl-L-leucine, its formula is C7H13NO3 and its molar mass is 159.18 g/mol. The systematic (IUPAC) name is (2S)-2-formamido-4-methylpentanoic acid. InChIKey HFBHOAHFRNLZGN-LURJTMIESA-N lets you match it in any structure database.
How is N-Formyl-L-leucine used in pharmaceutical QC?
N-Formyl-L-leucine is a characterised reference material linked to Orlistat. 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 N-Formyl-L-leucine?
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 N-Formyl-L-leucine?
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 N-Formyl-L-leucine to my country?
Yes. Because N-Formyl-L-leucine 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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