グレード&純度AR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.≥99%
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よくある質問
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 10039-54-0, the molecular formula is H6N2O2.H2SO4, and the molecular weight is 164.14 g/mol.
What is the purity of this product?
This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What does AR mean?
AR is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. AR is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.