HOOBt CAS 28230-32-2 Peptide Coupling Reagent Purity >99.0% (HPLC) Factory
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of 3-Hydroxy-1,2,3-Benzotriazin-4(3H)-one (HOOBt) (CAS: 28230-32-2) with high quality. Ruifu Chemical supplys a series of protecting reagents and coupling reagents. Ruifu can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase HOOBt, Please contact: alvin@ruifuchem.com
Chemical Name | 3-Hydroxy-1,2,3-Benzotriazin-4(3H)-one |
Synonyms | HOOBt; HODHBt; 3,4-Dihydro-3-Hydroxy-4-oxo-1,2,3-Benzotriazine; 3-Hydroxy-4-oxo-3,4-Dihydro-1,2,3-Benzotriazine |
Stock Status | In Stock, Mass Production |
CAS Number | 28230-32-2 |
Molecular Formula | C7H5N3O2 |
Molecular Weight | 163.13 g/mol |
Melting Point | 180.0~190.0℃ |
Density | 1.58 |
Refractive Index n20/D | 1.476 |
Storage Temp. | Cool & Dry Place (2~8℃) |
COA & MSDS | Available |
Category | Coupling Reagents |
Brand | Ruifu Chemical |
Items | Inspection Standards | Results |
Appearance | Off-White Crystalline Powder | Complies |
Melting Point | 180.0~190.0℃ | 183.2℃ |
Loss on Drying | <0.50% | 0.12% |
Purity / Analysis Method | >99.0% (HPLC) | 99.8% |
Infrared Spectrum | Conforms to Structure | Complies |
Proton NMR Spectrum | Conforms to Structure | Complies |
Conclusion | The product has been tested & complies with the specifications |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool and dry (2~8℃) warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Risk Codes
R20/21 - Harmful by inhalation and in contact with skin.
R36/37/38 - Irritating to eyes, respiratory system and skin.
R2 - Risk of explosion by shock, friction, fire or other sources of ignition
R1 - Explosive when dry
R61 - May cause harm to the unborn child
Safety Description
S53 - Avoid exposure - obtain special instructions before use.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S35 - This material and its container must be disposed of in a safe way.
S36/37 - Wear suitable protective clothing and gloves.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S37/39 - Wear suitable gloves and eye/face protection
S36 - Wear suitable protective clothing.
UN IDs UN 3379 3/PG 1
WGK Germany 3
FLUKA BRAND F CODES 10-21
3-Hydroxy-1,2,3-Benzotriazin-4(3H)-one (HOOBt) (CAS: 28230-32-2) is a heterocyclic organic compound, which is a coupling reagent for peptide synthesis. The HOOBt color reaction can indicate the reaction process. HOOBt can be used as an additive to inhibit racemization in peptide synthesis, as an automatic indicator in amino acid activated ester synthesis and solid phase synthesis.