3-Hydroxy-1,2,3-benzotriazin-4(3H)-one

CAS No.：28230-32-2

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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3-Hydroxy-1,2,3-benzotriazin-4(3H)-one Basic information

Product Name:	3-Hydroxy-1,2,3-benzotriazin-4(3H)-one
Synonyms:	3-hydroxy-3,4-dihydrobenzotriazine-4-one;3-Hydroxy-1,2,3-ben zotriazin-4(3H)-one(HOOBT);3-HYDROXY-4-KETOBENZOTRIAZINE;3-HYDROXY-3,4-DIHYDRO-4-OXO-1,2,3-BENZOTRIAZINE;3-HYDROXY-[1,2,3]BENZOTRIAZIN-4(3H)-ON;3-HYDROXY-1,2,3-BENZOTRIAZIN-4(3H)-ONE;3-HYDROXY-1,2,3-BENZOTRIAZIN-4-ONE;3-HYDROXY-1,2,3-BENZOTRIAZINE 4(3H)-ONE
CAS:	28230-32-2
MF:	C7H5N3O2
MW:	163.13
EINECS:	248-916-1
Product Categories:	Peptide;Peptide Coupling Reagents
Mol File:	28230-32-2.mol

3-Hydroxy-1,2,3-benzotriazin-4(3H)-one Chemical Properties

Melting point	184-189°C
Boiling point	290.19°C (rough estimate)
density	1.041(20.0000℃)
refractive index	n20/D 1.476
Fp	58 °C
storage temp.	2-8°C
pka	7.78±0.20(Predicted)
CAS DataBase Reference	28230-32-2(CAS DataBase Reference)

Safety Information

Hazard Codes	T,E,Xi
Risk Statements	20/21-36/37/38-2-1-61
Safety Statements	53-26-35-36/37-45-37/39-36
RIDADR	UN 3379 3/PG 1
WGK Germany	3
F	10-21
HS Code	29339900

MSDS Information

Provider	Language
3,4-Dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine	English
SigmaAldrich	English

3-Hydroxy-1,2,3-benzotriazin-4(3H)-one Usage And Synthesis

Chemical Properties	Slightly yellow crystals
Synthesis Reference(s)	Synthesis, p. 1008, 1990 DOI: 10.1055/s-1990-27078

3-Hydroxy-1,2,3-benzotriazin-4(3H)-one Preparation Products And Raw materials

Preparation Products

DEPBT-->THYMINE-1-ACETIC ACID

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