2,6-Diamino-7,9-dihydro-8H-purin-8-one hemisulfate hydrate CAS 123333-49-3
| CAS No. | 123333-49-3 |
| Molecular Formula | 2*C5H6N6O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,6-Diamino-7,9-dihydro-8H-purin-8-one hemisulfate hydrate 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.
2,6-Diamino-7,9-dihydro-8H-purin-8-one hemisulfate hydrate (CAS 123333-49-3) is a high-purity analytical reference standard with the molecular formula C5H6N6OH2O4SH2O and a molecular weight of 282.23 g/mol.
Based on its molecular formula C5H6N6OH2O4SH2O, 2,6-Diamino-7,9-dihydro-8H-purin-8-one hemisulfate hydrate contains a carbohydrate-derived structure, an amide group, a sulfone group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 282.23 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | 2*C5H6N6O H2O4S H2O |
| Molecular Weight | 282.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Diamino Standards
- 2,6-Diamino-3,5-di-(trimethylsilyl)acetylenylpyridine (CAS 1000342-76-6)
- 2,6-Diamino-4-(benzyloxy)pyrimidine (CAS 100061-59-4)
- 2,6-diamino-3H,7H,8H-imidazo[4,5-g]quinazolin-8-one (CAS 1001242-71-2)
- 4,5-diamino-2-thiouracil (CAS 1004-76-8)
- 5,6-Diamino-3,3-dimethylindolin-2-one (CAS 100568-79-4)
- 5-((2,6-Diamino-9H-purin-9-yl)methoxy)-2-hydroxy-1,3,2-dioxaphosphinane 2-oxide (CAS 100683-67-8)
- 2,8-Diamino-9-benzyl-1H-purin-6(9H)-one (CAS 100890-94-6)
- 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt (CAS 100929-45-1)
Recommended Standards
- 8-chloro-3H,4H,5H-pyridazino[4,5-b]indol-4-one (CAS 156421-91-9)
- Ethyl 2-Vinyloxazole-4-carboxylate (CAS 460081-24-7)
- 1,2-Bis(4-chlorophenoxy)ethane (CAS 16723-94-7)
- Glycine Impurity 3 (CAS CATO-C4X-33363)
- 3-(3,5-Difluoro-2-methoxyphenyl)propanoic acid (CAS 1092460-64-4)
- Tosylasparagine (CAS 62743-18-4)
- 2-(Cyclopropylsulfonyl)ethanamine hydrochloride (CAS 1909347-74-5)
- MitoquinoneDiscontinued (CAS 444890-41-9)
- 2-Methyl-6-[(morpholin-4-yl)methyl]pyrimidin-4-ol (CAS 866155-60-4)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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