7440-33-7 V9306CXO6G Tungsten EINECS 231-143-9 HSDB 5036 VA (tungsten) Wolfram CCRIS 9484 UNII-V9306CXO6G EC 231-143-9 Tungsten, elemental Tungsten, insoluble compounds Tungsten, soluble compounds Tungsten, metal and insoluble compounds CAS 7440-33-7

Purity 97%+In StockPharmaceutical Standards
CAS No.7440-33-7
Molecular FormulaW
Molecular Weight183.84 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7440-33-7 V9306CXO6G Tungsten EINECS 231-143-9 HSDB 5036 VA (tungsten) Wolfram CCRIS 9484 UNII-V9306CXO6G EC 231-143-9 Tungsten, elemental Tungsten, insoluble compounds Tungsten, soluble compounds Tungsten, metal and insoluble compounds CAS 7440-33-7 chemical structure

Description

The occurrence of 7440-33-7 V9306CXO6G Tungsten EINECS 231-143-9 HSDB 5036 VA (tungsten) Wolfram CCRIS 9484 UNII-V9306CXO6G EC 231-143-9 Tungsten, elemental Tungsten, insoluble compounds Tungsten, soluble compounds Tungsten, metal and insoluble compounds is closely related to an inorganic composition in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 7440-33-7 V9306CXO6G Tungsten EINECS 231-143-9 HSDB 5036 VA (tungsten) Wolfram CCRIS 9484 UNII-V9306CXO6G EC 231-143-9 Tungsten, elemental Tungsten, insoluble compounds Tungsten, soluble compounds Tungsten, metal and insoluble compounds (CAS 7440-33-7), a certified reference material (molecular formula W, MW 183.84 g/mol) for analytical method development and quality control.

Structurally, 7440-33-7 V9306CXO6G Tungsten EINECS 231-143-9 HSDB 5036 VA (tungsten) Wolfram CCRIS 9484 UNII-V9306CXO6G EC 231-143-9 Tungsten, elemental Tungsten, insoluble compounds Tungsten, soluble compounds Tungsten, metal and insoluble compounds (W) contains an inorganic composition. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 183.84 g/mol, it falls into the medium-molecular-weight range.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaW
Molecular Weight183.84 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Freely soluble in water
StabilityStable under recommended storage conditions
CAS Registry Year (est.)1959

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