【禁售不询】Sulfuric acid CAS 7664-93-9
| CAS No. | 7664-93-9 |
| Molecular Formula | H2O4S |
| Molecular Weight | 98.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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 【禁售不询】Sulfuric acid.
【禁售不询】Sulfuric acid (CAS 7664-93-9) is a high-purity analytical reference standard with the molecular formula H2O4S and a molecular weight of 98.08 g/mol.
The molecular framework of 【禁售不询】Sulfuric acid (H2O4S) is characterized by a sulfone group. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 【禁售不询】Sulfuric acid 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 Formula | H2O4S |
| Molecular Weight | 98.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |
Related Sulfuric Standards
- Sulfuric Acid-d2 (96% w/w in D2O) (CAS 13813-19-9)
- Sulfuric acid, monoethenyl ester, homopolymer (CAS 25191-25-7)
- Sulfuric Acid Monoallyl Ester (CAS 21706-75-2)
- 26182-60-5 Sulfuric acid, monoethenyl ester, potassium salt (1:1), homopolymer Sulfuric acid, monoethenyl ester, potassium salt, homopolymer Sulfuric acid, monovinyl ester, potassium salt, homopolymer (CAS 26182-60-5)
- Sulfuric acid, aluminum potassium salt (2:1:1) (CAS 10043-67-1)
- Sulfuric acid compound with 4-methylpiperidine-1-carboximidamide (1:1) (CAS 1078161-67-7)
- Sulfuric Acid Ammonium Cerium Salt Dihydrate (CAS 18923-36-9)
- Sulfuric acid compound with 7-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one (CAS 288607-13-6)
Recommended Standards
- 5-Fluoropyrimidine (CAS 675-21-8)
- 287399-35-3 Methyl(benzene-13C6) Toluene-(phenyl-13C6) (CAS 287399-35-3)
- 4-Fluoropyrimidine (CAS 31462-55-2)
- γ-Methylene-γ-butyrolactone (CAS 10008-73-8)
- ethyl[1-(thiophen-3-yl)propan-2-yl]amine hydrochloride (CAS 1607276-60-7)
- 4,4'-Disulfanediyldibenzaldehyde (CAS 100538-31-6)
- 7-Chloro-5-ethoxy-8-fluoro-2-(methylthio)pyrido[4,3-d]pyrimidin-4(3H)-one (CAS 2763160-04-7)
- 3-Iodo-4-((tetrahydro-2H-pyran-4-yl)methoxy)benzoic acid (CAS 1131614-89-5)
- Roxadustat Impurity 92 (CAS CATO-C4X-221392)
- 2-((5-Chloro-3-methyl-1-phenyl-1h-pyrazol-4-yl)methylene)malononitrile (CAS 74413-96-0)
- 3-(2,2,2-Trifluoro-1-methoxyethyl)aniline (CAS 919278-50-5)
- 2-Chloro-3-fluoro-5-(3-(trifluoromethyl)-3H-diazirin-3-yl)pyridine (CAS 2231676-86-9)
- Cefdinir CP Impurity S (CAS 127770-93-8)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com