Tech Serve Solutions

PEG-28

CAS 1053658-70-0HO(CH2CH2O)28HChemical Synthesis

PEG-28 (CAS 1053658-70-0), molecular formula HO(CH2CH2O)28H, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
Octacosaethylene glycol
PEG-28
Chemical BiologyChemical SynthesisPEGylation
01 /Properties
Molecular weight1251.49
Linear formulaHO(CH2CH2O)28H
Assay≥95% (oligomer purity)
Storage temperature2-8°C
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
1053658-70-0
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is PEG-28?

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PEG-28 (CAS 1053658-70-0), molecular formula HO(CH2CH2O)28H, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of PEG-28 does Tech Serve Solutions supply?

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Tech Serve Solutions supplies PEG-28 in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of PEG-28?

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PEG-28 has CAS number 1053658-70-0 and molecular formula HO(CH2CH2O)28H. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for PEG-28?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of PEG-28 ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should PEG-28 be stored?

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Store PEG-28 in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is PEG-28 used for?

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PEG-28 is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for PEG-28?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need PEG-28 in a specific grade or volume?

Request a quote