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Peptide Synthesis Reagents

1-Hydroxy-7-azabenzotriazole, 98%

PurissAvailable on request

Order 1-Hydroxy-7-azabenzotriazole, 98% (CAS 39968-33-7) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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1-Hydroxy-7-azabenzotriazole, 98% chemical structure
CAS number39968-33-7
FormulaC5H4N4O
Molar mass136.11 g/mol
Physical formPowder
HS code29270090
UN numberUN 1993
Purity98%
InChIKeyFPIRBHDGWMWJEP-UHFFFAOYSA-N
IUPAC name3-hydroxytriazolo[4,5-b]pyridine

About 1-Hydroxy-7-azabenzotriazole, 98%

1-Hydroxy-7-azabenzotriazole, 98% sits in our peptide Synthesis Reagents section and ships worldwide from stock or short lead time. For your records (Puriss), the material is defined by CAS 39968-33-7, formula C5H4N4O and molar mass 136.11 g/mol. Expect off white to pale yellow powder.

Where it is used

  • Peptide coupling
  • Solid-phase peptide synthesis
  • Bioconjugation
  • Pharmaceutical synthesis

Storage and safety notes

Reported physical data: melting point 210-214 °C. Hazard communication follows GHS (Danger: H204, H301, H302 and H315). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 1993.

Available as 1 g, 5 g, 25 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Peptide coupling
  • Solid-phase peptide synthesis
  • Bioconjugation
  • Pharmaceutical synthesis

Applications

Diagnostics, Life Science and BiotechResearch Labs and Universities

Specifications and identifiers

Specifications of 1-Hydroxy-7-azabenzotriazole, 98%
Product name1-Hydroxy-7-azabenzotriazole, 98%
Catalogue numberZX-002351
CAS number39968-33-7
IUPAC name3-hydroxytriazolo[4,5-b]pyridine
Molecular formulaC5H4N4O
Molar mass136.11 g/mol
Exact mass136.0385
GradePuriss
Purity / assay98%
Physical formPowder
AppearanceOff white to pale yellow powder
Melting point210-214 °C
XLogP30.5
H-bond donors / acceptors1 / 4
Topological polar surface area63.8 Ų
HS code29270090
UN numberUN 1993
InChIKeyFPIRBHDGWMWJEP-UHFFFAOYSA-N
SMILESC1=CC2=C(N=C1)N(N=N2)O
PubChem CID181649
SynonymsHOAT, 7-Aza-1-hydroxybenzotriazole, 3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol, 3H-1,2,3-Triazolo[4,5-b]pyridine, 3-hydroxy-, 1-hydroxyl-7-azabenzotriazole, 3H-(1,2,3)triazolo(4,5-b)pyridin-3-ol, HOAT solution, 1,2,3-triazolo[5,4-b]pyridin-3-ol, [1,2,3]Triazolo[4,5-b]pyridin-3-ol, HOAt 1-Hydroxy-7-azabenzotriazole, 3H-1,2,3-triazolo[4,5-b]pyridine-3-ol, 3H-1,2,3-Triazolo(4,5-b)pyridine, 3-hydroxy-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H204Fire or projection hazard
  • H301Toxic if swallowed
  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P210, P230, P234, P236, P240, P250, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1-Hydroxy-7-azabenzotriazole, 98%
1 gQuoted on request
5 gQuoted on request
25 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1-Hydroxy-7-azabenzotriazole, 98%

Which CAS number identifies 1-Hydroxy-7-azabenzotriazole, 98%?
1-Hydroxy-7-azabenzotriazole, 98% is registered under CAS 39968-33-7. You may also see it listed as HOAT, 7-Aza-1-hydroxybenzotriazole, 3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol. Our catalogue number for this item is ZX-002351.
What are the formula and molar mass of 1-Hydroxy-7-azabenzotriazole, 98%?
For 1-Hydroxy-7-azabenzotriazole, 98%, its formula is C5H4N4O and its molar mass is 136.11 g/mol. The systematic (IUPAC) name is 3-hydroxytriazolo[4,5-b]pyridine. InChIKey FPIRBHDGWMWJEP-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1-Hydroxy-7-azabenzotriazole, 98%?
This listing is Puriss grade with 98% purity. Standard packs are 1 g, 5 g, 25 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Hydroxy-7-azabenzotriazole, 98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1-Hydroxy-7-azabenzotriazole, 98% to my country?
Yes. Because 1-Hydroxy-7-azabenzotriazole, 98% is classed as hazardous (UN 1993), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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