Ultramark 1621

Name: Ultramark 1621
Brand: Vaqora Chemicals
SKU: VQ-039061

About Ultramark 1621

Vaqora Chemicals supplies Ultramark 1621, a high-purity reference standard of Ascorbic acid registered under CAS number 105809-15-2. Formula C6H18N3P3, molecular weight 231.19 g/mol. Systematically, it is named 2,2,4,4,6,6-hexakis(deuteriomethyl)-1,3,5-triaza-2lambda5,4lambda5,6lambda5-triphosphacyclohexa-1,3,5-triene.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Ascorbic acid, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ultramark 1621 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ascorbic acid

View every impurity, metabolite and intermediate we list for Ascorbic acid.

Ascorbic acid impurities

Specifications & identifiers

Chemical identifiers
Product name	Ultramark 1621
Catalogue No.	VQ-039061
CAS Number	105809-15-2
IUPAC name	2,2,4,4,6,6-hexakis(deuteriomethyl)-1,3,5-triaza-2lambda5,4lambda5,6lambda5-triphosphacyclohexa-1,3,5-triene
Molecular formula	C₆H₁₈N₃P₃
Molecular weight	231.19 g/mol
Exact mass	231.109
Grade	Reference Standard
HSN code	38229090
InChIKey	DEBZEVJNWCNATM-MZWXYZOWSA-N
SMILES	[2H]CP1(=NP(=NP(=N1)(C[2H])C[2H])(C[2H])C[2H])C[2H]
PubChem CID	44119860

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	37.1 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ultramark 1621?

The CAS Registry Number of Ultramark 1621 is 105809-15-2. It is also known as Hexakis(1H,1H,omega-H-perfluoroalkoxy)phosphazene, 2,2,4,4,6,6-Hexakis(methyl-d)-1,3,5,2l5,4l5,6l5-triazatriphosphinine.

What is the molecular formula and molecular weight of Ultramark 1621?

Ultramark 1621 has the molecular formula C6H18N3P3 and a molecular weight of 231.19 g/mol. Its IUPAC name is 2,2,4,4,6,6-hexakis(deuteriomethyl)-1,3,5-triaza-2lambda5,4lambda5,6lambda5-triphosphacyclohexa-1,3,5-triene.

What is Ultramark 1621 used for?

Ultramark 1621 is supplied as a characterised reference material related to Ascorbic acid. 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 Ultramark 1621 can I order?

We supply Ultramark 1621 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 Ultramark 1621?

Yes. Every lot of Ultramark 1621 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 Ultramark 1621 be shipped internationally?

Yes. Ultramark 1621 is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.