Iron(III) sulfate heptahydrate CAS 35139-28-7

Purity 97%+In StockPharmaceutical Standards
CAS No.35139-28-7
Molecular Formula3*O4S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Iron(III) sulfate heptahydrate CAS 35139-28-7 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Iron(III) sulfate heptahydrate.

CATO supplies Iron(III) sulfate heptahydrate (CAS 35139-28-7), a certified reference material (molecular formula O4SFeH2O, MW 169.92 g/mol) for analytical method development and quality control.

Structurally, Iron(III) sulfate heptahydrate (O4SFeH2O) contains a sulfone group. 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 169.92 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.

CATO manufactures Iron(III) sulfate heptahydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular Formula3*O4S 2*Fe 7*H2O
Molecular Weight169.92 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Freely soluble in water
StabilityHygroscopic; reseal immediately after opening
CAS Registry Year (est.)1967
Sulfur Atoms1

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