2,4-Diamino-6-chloromethylpteridine hydrochloride
- CAS
- 82778-08-3
- Formula
- C7H8Cl2N6
- MW
- 247.08 g/mol
ZX-029622
API Impurities
5-Methyltetrahydrofolic Acid
Reference StandardAvailable on request
Buy 5-Methyltetrahydrofolic Acid (CAS 134-35-0) from Zemixal: C20H25N7O6, COA and SDS with every lot, worldwide shipping.
CAS number134-35-0
FormulaC20H25N7O6
Molar mass459.5 g/mol
Physical formSolid
HS code38229090
InChIKeyZNOVTXRBGFNYRX-ABLWVSNPSA-N
IUPAC name(2S)-2-[[4-[(2-amino-5-methyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
About 5-Methyltetrahydrofolic Acid
5-Methyltetrahydrofolic Acid is supplied by Zemixal as a characterised reference material for Folic Acid analysis. Identity at a glance (Reference Standard): CAS 134-35-0, formula C20H25N7O6 and molar mass 459.5 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
Handling and storage
Hazard communication follows GHS (Warning: H317). 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. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Folic Acid
See every impurity, metabolite and related compound we list for this API.
Folic Acid standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 5-Methyltetrahydrofolic Acid |
|---|---|
| Catalogue number | ZX-029621 |
| CAS number | 134-35-0 |
| IUPAC name | (2S)-2-[[4-[(2-amino-5-methyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid |
| Molecular formula | C20H25N7O6 |
| Molar mass | 459.5 g/mol |
| Exact mass | 459.1866 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.5 |
| H-bond donors / acceptors | 7 / 10 |
| Topological polar surface area | 198 Ų |
| HS code | 38229090 |
| InChIKey | ZNOVTXRBGFNYRX-ABLWVSNPSA-N |
| SMILES | CN1C(CNC2=C1C(=O)NC(=N2)N)CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)O)C(=O)O |
| PubChem CID | 135415868 |
| Synonyms | N-Methyltetrahydrofolic Acid, Prefolic A, n5-methyltetrahydrofolate, n5-methyltetrahydrofolic acid, n-methyltetrahydrofolate, N5-Methyltetrahydropteroylglutamate, 5-methyltetrahydropteroylglutamic acid, 5-methyl-5,6,7,8-tetrahydropteroyl-L-glutamic acid, 5-methyl-THF, Methyl folate, 5-Methyltetrahydrofolate, 5-Methyl THF |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H317May cause an allergic skin reaction
Precautionary statements P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 5-Methyltetrahydrofolic Acid
Which CAS number identifies 5-Methyltetrahydrofolic Acid?
5-Methyltetrahydrofolic Acid is registered under CAS 134-35-0. You may also see it listed as N-Methyltetrahydrofolic Acid, Prefolic A, n5-methyltetrahydrofolate. Our catalogue number for this item is ZX-029621.
What are the formula and molar mass of 5-Methyltetrahydrofolic Acid?
For 5-Methyltetrahydrofolic Acid, its formula is C20H25N7O6 and its molar mass is 459.5 g/mol. The systematic (IUPAC) name is (2S)-2-[[4-[(2-amino-5-methyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid. InChIKey ZNOVTXRBGFNYRX-ABLWVSNPSA-N lets you match it in any structure database.
How is 5-Methyltetrahydrofolic Acid used in pharmaceutical QC?
5-Methyltetrahydrofolic Acid is a characterised reference material linked to Folic Acid. 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 5-Methyltetrahydrofolic 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 5-Methyltetrahydrofolic 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 5-Methyltetrahydrofolic Acid to my country?
Yes. Because 5-Methyltetrahydrofolic 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.
More Folic Acid standards
More in API Impurities
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