K78U8WLV4H 7783-13-3 Ammonium sodium phosphate tetrahydrate UNII-K78U8WLV4H Ammonium sodium phosphate tetrahydrate [MI] Phosphoric acid, monoammonium monosodium salt, tetrahydrate Phosphorsalz Sodium monoammonium monohydrogen phosphate tetrahydrate CAS 7783-13-3

Purity 97%+In StockPharmaceutical Standards
CAS No.7783-13-3
Molecular FormulaHO4P
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

K78U8WLV4H 7783-13-3 Ammonium sodium phosphate tetrahydrate UNII-K78U8WLV4H Ammonium sodium phosphate tetrahydrate [MI] Phosphoric acid, monoammonium monosodium salt, tetrahydrate Phosphorsalz Sodium monoammonium monohydrogen phosphate tetrahydrate CAS 7783-13-3 chemical structure

Description

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.

CATO supplies K78U8WLV4H 7783-13-3 Ammonium sodium phosphate tetrahydrate UNII-K78U8WLV4H Ammonium sodium phosphate tetrahydrate [MI] Phosphoric acid, monoammonium monosodium salt, tetrahydrate Phosphorsalz Sodium monoammonium monohydrogen phosphate tetrahydrate (CAS 7783-13-3), a certified reference material (molecular formula HO4PNaH4N, MW 137.01 g/mol) for analytical method development and quality control.

Based on its molecular formula HO4PNaH4N, K78U8WLV4H 7783-13-3 Ammonium sodium phosphate tetrahydrate UNII-K78U8WLV4H Ammonium sodium phosphate tetrahydrate [MI] Phosphoric acid, monoammonium monosodium salt, tetrahydrate Phosphorsalz Sodium monoammonium monohydrogen phosphate tetrahydrate contains a phosphate ester group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 137.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), K78U8WLV4H 7783-13-3 Ammonium sodium phosphate tetrahydrate UNII-K78U8WLV4H Ammonium sodium phosphate tetrahydrate [MI] Phosphoric acid, monoammonium monosodium salt, tetrahydrate Phosphorsalz Sodium monoammonium monohydrogen phosphate tetrahydrate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaHO4P Na H4N
Molecular Weight137.01 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Freely soluble in water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
CAS Registry Year (est.)1959
Nitrogen Atoms1

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