Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference Standard In stock

Levothyroxine EP Impurity E

Synonyms: O-(4-Hydroxyphenyl)-3,5-diiodo-L-tyrosine · 3,5-Diiodo-4-(4-hydroxyphenoxy)-L-phenylalanine · 3,5-Diiodo-L-thyronine · Diiodo-L-thyronine

CAS No.1041-01-6
FormulaC15H13I2NO4
Mol. weight525.08
Catalogue No.VQ-006473
PurityReference Standard
HSN38229090

Levothyroxine EP Impurity E (CAS 1041-01-6) – Levothyroxine impurity standard. C15H13I2NO4, MW 525.08. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Levothyroxine EP Impurity E

Levothyroxine EP Impurity E (CAS 1041-01-6) is a pharmacopeial impurity of Levothyroxine offered by Vaqora Chemicals. With the molecular formula C15H13I2NO4, it has a molar mass of 525.08 g/mol. The IUPAC name is (2S)-2-amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]propanoic acid. It is also known as O-(4-Hydroxyphenyl)-3,5-diiodo-L-tyrosine or 3,5-Diiodo-L-thyronine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. 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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Levothyroxine

View every impurity, metabolite and intermediate we list for Levothyroxine.

Levothyroxine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameLevothyroxine EP Impurity E
Catalogue No.VQ-006473
CAS Number1041-01-6
IUPAC name(2S)-2-amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]propanoic acid
Molecular formulaC15H13I2NO4
Molecular weight525.08 g/mol
Exact mass524.8934
GradeReference Standard
HSN code38229090
InChIKeyZHSOTLOTTDYIIK-ZDUSSCGKSA-N
SMILESC1=CC(=CC=C1O)OC2=C(C=C(C=C2I)C[C@@H](C(=O)O)N)I
PubChem CID92859
Physical properties
Physical formSolid
LogP (XLogP3)1.1
H-bond donors / acceptors3 / 5
TPSA92.8 Ų
SynonymsO-(4-Hydroxyphenyl)-3,5-diiodo-L-tyrosine, 3,5-Diiodo-4-(4-hydroxyphenoxy)-L-phenylalanine, 3,5-Diiodo-L-thyronine, Diiodo-L-thyronine, 3,5-Diiodothyronine, L-, L-3,5-Diiodothyronine, L-Tyrosine, O-(4-hydroxyphenyl)-3,5-diiodo-, Alanine, 3-(4-(p-hydroxyphenoxy)-3,5-diiodophenyl)-, L-, Diiodothyronine, (S)-2-amino-3-(4-(4-hydroxyphenoxy)-3,5-diiodophenyl)propanoic acid, 3,5-Diiodi-L-thyronine, 3,5-T2

Documents

Other grades of CAS 1041-01-6

Frequently asked questions

What is the CAS number of Levothyroxine EP Impurity E?

The CAS Registry Number of Levothyroxine EP Impurity E is 1041-01-6. It is also known as O-(4-Hydroxyphenyl)-3,5-diiodo-L-tyrosine, 3,5-Diiodo-4-(4-hydroxyphenoxy)-L-phenylalanine, 3,5-Diiodo-L-thyronine.

What is the molecular formula and molecular weight of Levothyroxine EP Impurity E?

Levothyroxine EP Impurity E has the molecular formula C15H13I2NO4 and a molecular weight of 525.08 g/mol. Its IUPAC name is (2S)-2-amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]propanoic acid.

What is Levothyroxine EP Impurity E used for?

Levothyroxine EP Impurity E 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 EP Impurity E can I order?

We supply Levothyroxine EP Impurity E in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Levothyroxine EP Impurity E?

Yes. Every lot of Levothyroxine EP Impurity E 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 EP Impurity E be shipped internationally?

Yes. We export Levothyroxine EP Impurity E worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about Levothyroxine EP Impurity E

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

More in Pharmacopeial Impurities (EP / USP / BP) →