PEG2-bis(phosphonic acid) CAS 116604-42-3
| CAS No. | 116604-42-3 |
| Molecular Formula | C6H16O8P2 |
| Molecular Weight | 278.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies PEG2-bis(phosphonic acid) (CAS 116604-42-3), a certified reference material (molecular formula C6H16O8P2, MW 278.13 g/mol) for analytical method development and quality control.
Owing to a carbohydrate-derived structure, a phosphate ester group, PEG2-bis(phosphonic acid) is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 278.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures PEG2-bis(phosphonic acid) 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 Formula | C6H16O8P2 |
| Molecular Weight | 278.13 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1990 |
Recommended Standards
- 2-(7-Fluorochroman-6-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1154741-03-3)
- 4-(Benzyloxy)-3,5-dichlorobenzonitrile (CAS 120110-61-4)
- 6-Chloro-3-(4-chlorophenyl)-2H-1,4-benzoxazine (CAS 112030-47-4)
- Loratadine Impurity 7 (CAS 133330-61-7)
- 2-(Hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethan-1-amine (CAS 1048920-90-6)
- 3′-Hydroxy[1,1′-biphenyl]-4-carboxaldehyde (CAS 398151-25-2)
- 2-(((4-Methoxyphenyl)thio)methyl)piperidine (CAS 1248080-55-8)
- Botryococcane C33 (CAS 100664-68-4)
- 1-(2-(3-Methoxypropoxy)-5-methylphenyl)ethan-1-amine (CAS 1179076-17-5)
- Rimegepant Impurity 2 DiHCl (CAS 781649-84-1)
- 1-Fluoro-5-nitronaphthalene (CAS 13720-44-0)
- 4-(Difluoromethoxy)-2-fluorobenzamide (CAS 1092461-40-9)
- 4-amino-1-ethyl-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-1H-pyrazole-5-carboxamide,HCl (CAS 1431963-65-3)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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