Tech Serve Solutions

1-Hydroxybenzotriazole hydrate

CAS 123333-53-9C6H5N3O · xH2OChemical Synthesis

1-Hydroxybenzotriazole hydrate (CAS 123333-53-9), molecular formula C6H5N3O · xH2O, 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
HOBt Hydrate
1-Hydroxybenzotriazole hydrate
Active Esters/AdditivesChemical BiologyChemical SynthesisCouplingPeptide ChemistryPeptide CouplingSynthetic Reagents More...
01 /Properties
Molecular weight135.12 (anhydrous basis)
Empirical formulaC6H5N3O · xH2O
Assay97%
ApplicationAdditive used in oligonucleotide couplings1,2 and in racemization-free peptide couplings.3,4
Melting point155-158 °C(lit.)
02 /Safety & handling
Flammable
Flammable
Warning

Hazard statements

  • H228Flammable solid

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
Transport (UN / ADR)UN 3380 4.1/PG 1
Water hazard class (WGK, DE)nwg
Hazard codes (EU)F
Risk statements (R)1-11-44
Safety statements (S)26-37-60
Supplemental hazardsExplosive when dry., Risk of explosion if heated under confinement.

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

03 /Identifiers & registry
CAS number
123333-53-9
MDL number
MFCD00065690
PubChem substance
24849666
Beilstein registry
4515
04 /Additional specifications
Qualitysynthesis grade
DescriptionWhite to Off White Powder
05 /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.

06 /Frequently asked questions

What is 1-Hydroxybenzotriazole hydrate?

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1-Hydroxybenzotriazole hydrate (CAS 123333-53-9), molecular formula C6H5N3O · xH2O, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 1-Hydroxybenzotriazole hydrate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 1-Hydroxybenzotriazole hydrate 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 1-Hydroxybenzotriazole hydrate?

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1-Hydroxybenzotriazole hydrate has CAS number 123333-53-9 and molecular formula C6H5N3O · xH2O. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 1-Hydroxybenzotriazole hydrate?

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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 1-Hydroxybenzotriazole hydrate 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 1-Hydroxybenzotriazole hydrate be stored?

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Store 1-Hydroxybenzotriazole hydrate 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 1-Hydroxybenzotriazole hydrate used for?

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1-Hydroxybenzotriazole hydrate 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 1-Hydroxybenzotriazole hydrate?

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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 1-Hydroxybenzotriazole hydrate in a specific grade or volume?

Request a quote