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VAQORALevothyroxine N-Formyl Impurity
Synonyms: N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine · N-Formyl-T4 (USP) · N-Formyl Thyroxine · N-Formyl-T4
CAS No.671235-41-9
FormulaC16H11I4NO5
Mol. weight804.88
Catalogue No.VQ-005193
PurityReference Standard
HSN38229090
Levothyroxine N-Formyl Impurity (CAS 671235-41-9) – Levothyroxine impurity standard. C16H11I4NO5, MW 804.88. Vaqora Chemicals: COA, global shipping.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Levothyroxine N-Formyl Impurity
Vaqora Chemicals supplies Levothyroxine N-Formyl Impurity, an impurity of Levothyroxine registered under CAS number 671235-41-9. Formula C16H11I4NO5, molecular weight 804.88 g/mol. Its systematic (IUPAC) name is (2S)-2-formamido-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid. It is also known as N-Formyl-T4 (USP) or N-Formyl Thyroxine.
The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.
As a characterised impurity of Levothyroxine, 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 Levothyroxine N-Formyl Impurity in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
Related to Levothyroxine
View every impurity, metabolite and intermediate we list for Levothyroxine.
Levothyroxine impuritiesSpecifications & identifiers
| Product name | Levothyroxine N-Formyl Impurity |
|---|---|
| Catalogue No. | VQ-005193 |
| CAS Number | 671235-41-9 |
| IUPAC name | (2S)-2-formamido-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid |
| Molecular formula | C16H11I4NO5 |
| Molecular weight | 804.88 g/mol |
| Exact mass | 804.6816 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | DNRNTTVIRGKKSQ-ZDUSSCGKSA-N |
| SMILES | C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)O)NC=O |
| PubChem CID | 71316964 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 4.9 |
| H-bond donors / acceptors | 3 / 5 |
| TPSA | 95.9 Ų |
| Synonyms | N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine, N-Formyl-T4 (USP), N-Formyl Thyroxine, N-Formyl-T4, Thyroxine, N-formyl-, L-Tyrosine, N-formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, Levothyroxine sodium impurity, N-formyl-t4-(USP), (S)-2-Formamido-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid |
Documents
Frequently asked questions
What is the CAS number of Levothyroxine N-Formyl Impurity?
The CAS Registry Number of Levothyroxine N-Formyl Impurity is 671235-41-9. It is also known as N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine, N-Formyl-T4 (USP), N-Formyl Thyroxine.
What is the molecular formula and molecular weight of Levothyroxine N-Formyl Impurity?
Levothyroxine N-Formyl Impurity has the molecular formula C16H11I4NO5 and a molecular weight of 804.88 g/mol. Its IUPAC name is (2S)-2-formamido-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid.
What is Levothyroxine N-Formyl Impurity used for?
Levothyroxine N-Formyl Impurity is supplied as a characterised reference material related to Levothyroxine. 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 Levothyroxine N-Formyl Impurity can I order?
We supply Levothyroxine N-Formyl Impurity 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 Levothyroxine N-Formyl Impurity?
Yes. Every lot of Levothyroxine N-Formyl Impurity 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 Levothyroxine N-Formyl Impurity be shipped internationally?
Yes. We export Levothyroxine N-Formyl Impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Levothyroxine N-Formyl Impurity
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