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TBTU

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Formula: C11H16N5O.BF4
CAS: 125700-67-6
search Element: tbtu
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Identification

Structural Formula
TBTU
CAS:
125700-67-6
EINECS:
Molecular Formula:
C11H16N5O.BF4
MDL:
MFCD00077413
SMILES:
[B-](F)(F)(F)F.CN(C)C(=[N+](C)C)ON1C2=CC=CC=C2N=N1
Synonym:
tbtu extrapure ; benzotriazolyl tetramethyluronium fluoroborate ; knorr reagent ; tbtu (knorr reagent) ; 1h-benzotriazolium-1-[bis(dimethylamine) ; o-benzotriazol-1-yl-n,n,n',n'-tetra- & ; tetrafluoroborate tbtu ; o-(benzotriazol-1-yl)-n,n,n',n'-tetramethyluro ; tbpipu ; tbtu


Description

TBTU is a coupling reagent used for solid-phase peptide synthesis. The compound has been used to study ten different phosphonium and uronium salt-based coupling reagents, which are used to synthesize four peptides. TBTU has been documented as a coupling reagent to synthesize a tetrahydrocarbazole substituted dipeptide in a multi-gram solid-phase synthesis. The compound has also been incorporated with HOBt (hydroxybenzotriazole dihydrate) as a carboxyl activator before the coupling of a C-terminal amino acid with a success rate of 100% coupling.


Suppliers

Shandong Ench Chemical Co.,Ltd
SECC120600
+
XD BIOCHEMS Ltd
XB60180
+
Kingreat Chemistry Company Limited
KCCL136680
+
Changzhou Union Chemicals Co.,Ltd.
CUCC136680
+
Advanced Chemtech, Inc. USA
ACU108432
Xiamen Equation Chemical Co.,Ltd
XECC128640
+
Sancai Industry Co.,Ltd.
SIC96384
+
Daming Changda Co., Ltd.
LLB00742
+
Reafon Industry Co., Ltd.
RI100300
+
Reafon Industry Co., Ltd.
RF-C133
+
GL Biochem (Shanghai) Ltd.
00705
Aecochem Corp.
AC56168
+
Hangzhou Keying Chem Co., Ltd.
HKC120480
+
AK Scientific, Inc.
AS76228
+
Simagchem Corporation
SC84252
+
Capot Chemical Co., Ltd.
12754
+
Santa Cruz Biotechnology, Inc.
202831
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Prices & Availability




Data is processed


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Properties for TBTU

Molecular Weight:
321.08 g·mol−1
Melting point:
205 °C (dec.)(lit.)
Solubility:
acetonitrile: 0.1 g/mL, clear
x

Hazard Statements

GHS02

GHS02
Flammable
  • Flammable gases, category 1
  • Flammable aerosols, categories 1, 2
  • Flammable liquids, categories 1, 2, 3
  • Flammable solids, categories 1, 2
  • Self-reactive substances and mixtures, types B, C, D, E, F
  • Pyrophoric liquids, category 1
  • Pyrophoric solids, category 1
  • Combustible solids, category 3
  • Combustible liquids, category 3
  • Self-heating substances and mixtures, categories 1, 2
  • Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3
  • Organic peroxides, types B, C, D, E, F
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R2 - Risk of explosion by shock, friction, fire or other sources of ignition
R36/37/38 - Irritating to eyes, respiratory system and skin
R5 - Heating may cause an explosion
Safety Codes:
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 - Wear suitable protective clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S37/39 - Wear suitable gloves and eye/face protection
Hazard Symbols:
Xi, F, E
Hazard symbol E Hazard symbol F Hazard symbol Xi
Storage temperature :
2-8°C
x

Alternative Distributors of [TBTU]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Huasheng Chemical Co., Limited | Shanghai International Pharmaceutical Co., Ltd. | Suzhou Tianma Specialty Chemicals Co., Ltd. | Shanghai Eagle Chemical Co., Ltd. | AGTC Bioproducts Ltd. | AA Biochem Inc. | Pharmasi Chemicals Co., Ltd. | Ruiyuan Group Limited | Chemrio International Limited | Share Chemical Co., Ltd. | Suzhou Rovathin Pharmatech Co., Ltd | Shanghai Hanhong Chemical Co., Ltd. | Shijiazhuang JuSha Imp.& Exp. Co.Ltd | Nantong Qihai Chemicals Co., Ltd. | Rif Life Science Co., Limited | Nantong Huiding International Co., Ltd | Hangzhou Ocean Chemical Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Suzhou Vosun Chemical Co.,Ltd. | Xiamen Hisunny Chemical Co., Ltd. | Changzhou Union Chemicals Co.,Ltd.

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