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API Impurities

10-Formylfolic acid

Reference StandardAvailable on request

10-Formylfolic acid (CAS 134-05-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
10-Formylfolic acid chemical structure
CAS number134-05-4
FormulaC20H19N7O7
Molar mass469.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUGWUWNVTCLDEOG-ZDUSSCGKSA-N
IUPAC name(2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid

About 10-Formylfolic acid

10-Formylfolic acid is supplied by Zemixal as a characterised reference material for Levofolinate analysis. Key data (Reference Standard): CAS 134-05-4, formula C20H19N7O7 and molar mass 469.4 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Danger: H317 and H334). Our SDS lists exposure controls and first-aid measures.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Levofolinate

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

Levofolinate standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 10-Formylfolic acid
Product name10-Formylfolic acid
Catalogue numberZX-020998
CAS number134-05-4
IUPAC name(2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid
Molecular formulaC20H19N7O7
Molar mass469.4 g/mol
Exact mass469.1346
GradeReference Standard
Physical formSolid
XLogP3-1.7
H-bond donors / acceptors5 / 10
Topological polar surface area217 Ų
HS code38229090
InChIKeyUGWUWNVTCLDEOG-ZDUSSCGKSA-N
SMILESC1=CC(=CC=C1C(=O)N[C@@H](CCC(=O)O)C(=O)O)N(CC2=CN=C3C(=N2)C(=O)NC(=N3)N)C=O
PubChem CID135405023
Synonymsformylfolic acid, 10-Formylpteroylglutamic Acid, N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid, N10-Formylfolic Acid, N10-Formylf olic acid, Glutamic acid, N-[p-[N-[(2-amino-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-, Glutamic acid, N-[p-[N-[(2-amino-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-, L-, N-(4-{N-[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]formamido}benzoyl)-L-glutamic acid

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H317May cause an allergic skin reaction
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, 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 10-Formylfolic acid
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 10-Formylfolic acid

Which CAS number identifies 10-Formylfolic acid?
10-Formylfolic acid is registered under CAS 134-05-4. You may also see it listed as formylfolic acid, 10-Formylpteroylglutamic Acid, N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid. Our catalogue number for this item is ZX-020998.
What are the formula and molar mass of 10-Formylfolic acid?
For 10-Formylfolic acid, its formula is C20H19N7O7 and its molar mass is 469.4 g/mol. The systematic (IUPAC) name is (2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid. InChIKey UGWUWNVTCLDEOG-ZDUSSCGKSA-N lets you match it in any structure database.
How is 10-Formylfolic acid used in pharmaceutical QC?
10-Formylfolic acid is a characterised reference material linked to Levofolinate. 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 10-Formylfolic acid?
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 10-Formylfolic acid?
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 10-Formylfolic acid to my country?
Yes. Because 10-Formylfolic acid 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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