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Beijing Beiqing Chuangye Sci. & Tech. Development Co., Ltd

China
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Company Profile

Profile: Beijing Beiqing Chuangye Sci. & Tech. Development Co., Ltd. specializes in the production of new medicine, drug materials, fine chemical products and plant extracts. Our products are fluorene, p-tolualdehyde, vinblastine sulfate, 2-amino-3,5-dinitrothiophene, vincristine sulfate, vindoline, catharanthine, 3,4-dimethylbenzaldehyde, N-hydroxy-5-norbornene-2,3-dicarboximide, 9-fluorenemethanol, 1-hydroxy-7-azabenzotriazole, benzotriazol-1-yloxytris(dimethylamino)-phosphonium hexafluorophosphate, 2-(1h-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate and 2-(7-aza-1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate.

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Product List

Product Name Synonyms CAS No. Grate/Content Operate

1-Hydroxybenzotriazole hydrate

1H-Benzotriazole,1-hydroxy-,hydrate (1:?);1H-Benzotriazole,1-hydroxy-,hydrate;1-Hydroxy-1H-benzotriazole hydrate (1:?)
123333-53-9 Inquiry

1H-Benzotriazol-1-yloxytris(dimethylamino)phosphonium Hexafluorophosphate

Phosphorus(1+),[1-(hydroxy-κO)-1H-benzotriazolato]tris(N-methylmethanaminato)-,(T-4)-,hexafluorophosphate(1-) (1:1);Phosphorus(1+),(1-hydroxy-1H-benzotriazolato-O)tris(N-methylmethanaminato)-,(T-4)-,hexafluorophosphate(1-);Phosphate(1-),hexafluoro-,(T-4)-(1-hydroxy-1H-benzotriazolato-O)tris(N-methylmethanaminato)phosphorus(1+);1H-Benzotriazole,1-hydroxy-,phosphorus complex;Methanamine,N-methyl-,phosphorus complex;BOP hexafluorophosphate;BOP reagent;Le BOP;BOP;(Benzotriazol-1-yloxy)tris(dimethylamino) hexafluorophosphate;Benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate;2-(1H-Benzotriazol-1-yl)tris(dimethylamino)phosphonium hexafluorophosphate;1H-Benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate;Castro's reagent;Castro reagent;1616484-49-1
56602-33-6 Inquiry

2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate

1H-Benzotriazolium,1-[bis(dimethylamino)methylene]-,3-oxide,tetrafluoroborate(1-) (1:1);1H-Benzotriazolium,1-[bis(dimethylamino)methylene]-,3-oxide,tetrafluoroborate(1-);TBTU;O-Benzotriazolyl tetramethylisouronium tetrafluoroborate;O-(Benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate;(Benzotriazol-1-yloxy-dimethylamino-methylene)dimethylammonium tetrafluoroborate;2-(1H-Benzotriazol-1-yl)-N,N,N′,N′-tetramethylammonium tetrafluoroborate;O-Benzotriazol-1-yl-tetramethyluronium tetrafluoroborate;437763-15-0;161975-37-7;164254-11-9;179689-47-5;187733-81-9;188198-18-7;194095-00-6;195143-13-6;200807-84-7;203799-70-6;219555-97-2
125700-67-6 Inquiry

2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate

norbornenedicarboximido tetramethyluronium fluoroborate;TNTU,O-(Bicyclo[2.2.1]hept-5-ene-2,3-dicarboximido)-N,N,Nμ,Nμ-tetramethyluroniumtetrafluoroborate;O-(5-Norbornene-2,3-dicarboximido)-tetramethyluronium tetrafluor;O-(5-Norbornene-2,3-dicarboximido)-N,N,N′,N′-t;O-(5-Norbornene-2,3-dicarboximido)-N,N,N′,N′-tetraMethyl uronium tetrafluoroborate(1);[Coupling Reagent for Peptide];2-(5-Norbornene-2,3-dicarboxiMido)-1,1,3,3-tetraMethyluroniuM Tetrafluoroborate O-(endo-5-Norbornene-2,3-dicarboxiMido)-N,N,N',N'-tetraMethyluroniuM tetrafluoroborate, 98+%
125700-73-4 Inquiry

2-Amino-3,5-dinitrothiophene

2-Thiophenamine,3,5-dinitro-;3,5-Dinitro-2-thiophenamine;2-Amino-3,5-dinitrothiophene
2045-70-7 Inquiry

3,4-Dimethylbenzaldehyde

Benzaldehyde,3,4-dimethyl-;3,4-Dimethylbenzaldehyde;3,4-DBAL
5973-71-7 Inquiry

9-Fluorenemethanol

9H-Fluorene-9-methanol;Fluorene-9-methanol;9-Fluorenylmethanol;9-(Hydroxymethyl)fluorene;9-Fluorenylmethyl alcohol;(9H-Fluoren-9-yl)methanol
24324-17-2 Inquiry

Catharanthine

Ibogamine-18-carboxylic acid,3,4-didehydro-,methyl ester,(2α,5β,6α,18β)-;Catharanthine;6,9-Methano-5H-pyrido[1′,2′:1,2]azepino[4,5-b]indole,ibogamine-18-carboxylic acid deriv.;(+)-Catharanthine;Catharanthine,(+)-;Catharanthin;(+)-3,4-Didehydrocoronaridine;47416-77-3
2468-21-5 Inquiry

Fluorene

9H-Fluorene;Fluorene;o-Biphenylenemethane;Diphenylenemethane;2,2′-Methylenebiphenyl;Methane,diphenylene-;NSC 6787;84987-80-4
86-73-7 Inquiry

FMOC-b-Ala-OH

RARECHEM EM WB 0004;N-9-FLUORENYLMETHYLOXYCARBONYL-BETA-ALANINE;N-(9-FLUORENYLMETHOXYCARBONYL)-BETA-ALANINE;N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-BETA-ALANINE;N-BETA-(9-FLUORENYLMETHOXYCARBONYL)-BETA-ALANINE;N-BETA-FMOC-BETA-ALANINE;N-FMOC-BETA-ALANINE;FMOC-NH-(CH2)2-COOH
35737-10-1 Inquiry

HATU

1H-1,2,3-Triazolo[4,5-b]pyridinium,1-[bis(dimethylamino)methylene]-,3-oxide,hexafluorophosphate(1-) (1:1);1H-1,2,3-Triazolo[4,5-b]pyridinium,1-[bis(dimethylamino)methylene]-,hexafluorophosphate(1-),3-oxide;HATU;O-(7-Azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate;1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxide hexafluorophosphate;190849-61-7;199532-36-0;1231955-72-8;1616484-47-9;1709799-70-1
148893-10-1 Inquiry

HBTU

1H-Benzotriazolium,1-[bis(dimethylamino)methylene]-,3-oxide,hexafluorophosphate(1-) (1:1);1H-Benzotriazolium,1-[bis(dimethylamino)methylene]-,hexafluorophosphate(1-),3-oxide;HBTU;N-HBTU;1-[Bis(dimethylamino)methylene]-1H-benzotriazolium hexafluorophosphate(1-) 3-oxide;67654-71-1;136843-58-8;136843-59-9;162779-40-0;190849-59-3;199532-34-8;204456-76-8;223754-03-8;876593-63-4;1816253-21-0;2098481-82-2
94790-37-1 Inquiry

HOAt

3H-1,2,3-Triazolo[4,5-b]pyridine,3-hydroxy-;3-Hydroxy-3H-1,2,3-triazolo[4,5-b]pyridine;1-Hydroxy-1H-v-triazolo[4,5-b]pyridine;1-Hydroxy-7-azabenzotriazole;7-Aza-1-hydroxybenzotriazole;HOAt;[1,2,3]Triazolo[4,5-b]pyridin-3-ol;1-Hydroxyl-7-azabenzotriazole;3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol;N-Hydroxy-7-azabenzotriazole;3-Hydroxytriazolo[4,5-b]pyridine
39968-33-7 Inquiry

L-Alanyl-L-Glutamine

L-Glutamine,L-alanyl-;L-Glutamine,N2-L-alanyl-;Glutamine,N2-L-alanyl-;L-Alanyl-L-glutamine;Dipeptiven;Dipeptamin;L-Ala-L-Gln;72: PN: US20070066537 PAGE: 17 claimed protein;GlutaMAX;Glutamax I;Alanyl-glutamine;96: PN: WO2011146121 PAGE: 115 claimed sequence;Sustamine;63: PN: WO2020097235 SEQID: 292 claimed protein
39537-23-0 Inquiry

L-Carnosine

N-B-ALANYL-L-HISTIDINE;H-BETA-ALA-HIS-OH;L-IGNOTINE;L-BETA-ALANINE HISTIDINE;L-CARNOSINE;B-ALANYL-L-HISTIDINE;BETA-A-H;BETA-ALANYL-L-HISTIDINE
305-84-0 Inquiry

N-(9-Fluorenylmethoxycarbonyloxy)succinimide

Carbonic acid,2,5-dioxo-1-pyrrolidinyl 9H-fluoren-9-ylmethyl ester;2,5-Pyrrolidinedione,1-[[(9H-fluoren-9-ylmethoxy)carbonyl]oxy]-;9-Fluorenylmethyl succinimidyl carbonate;N-(9-Fluorenylmethoxycarbonyloxy)succinimide;(Fluorenylmethoxycarbonyl)hydroxysuccinimide ester;FMOC-OSu;Succinimidyl (9-fluorenyl)methyl carbonate;9-Fluorenylmethyl N-succinimidyl carbonate;N-(9H-Fluoren-9-ylmethoxycarbonyloxy)succinimide;Fluorenylmethoxycarbonyl N-hydroxysuccinimide;Fmoc-N-hydroxysuccinimide ester;Fmoc-N-hydroxysuccinimide;N-Fmoc-succinimide;(9H-Fluoren-9-yl)methyl succinimidyl carbonate;1-[[[(9H-Fluoren-9-yl)methoxy]carbonyl]oxy]pyrrolidine-2,5-dione;9-Fluorenylmethyl-N-hydroxysuccinimide;(2,5-Dioxopyrrolidin-1-yl) 9H-fluoren-9-ylmethyl carbonate;2,5-Dioxopyrrolidin-1-yl (9H-fluoren-9-yl)methyl carbonate;489458-35-7;862973-25-9
82911-69-1 Inquiry

N-Acetyl carnosine

L-Histidine,N-acetyl-β-alanyl-;L-Histidine,N-(N-acetyl-β-alanyl)-;Histidine,N-(N-acetyl-β-alanyl)-,L-;N-Acetyl-β-alanyl-L-histidine;N-Acetylcarnosine;N-(N-Acetyl-β-alanyl)histidine;N-Acetyl-L-carnosine;Can-C;(S)-2-(3-Acetamidopropanamido)-3-(1H-imidazol-4-yl)propanoicacid;13523-80-3
56353-15-2 Inquiry

N-Hydroxy-5-norbornene-2,3-dicarboximide

4,7-Methano-1H-isoindole-1,3(2H)-dione,3a,4,7,7a-tetrahydro-2-hydroxy-;5-Norbornene-2,3-dicarboximide,N-hydroxy-;3a,4,7,7a-Tetrahydro-2-hydroxy-4,7-methano-1H-isoindole-1,3(2H)-dione;N-Hydroxy-5-norbornene-2,3-dicarboximide;N-Hydroxy-5-bicyclo[2.2.1]heptene-2,3-dicarboximide;NSC 100740;NSC 12953;HONB;3,5-Dioxo-4-azatricyclo[5.2.1.02′6]dec-8-en-4-ol
21715-90-2 Inquiry

p-Tolualdehyde

Benzaldehyde,4-methyl-;p-Tolualdehyde;4-Methylbenzaldehyde;p-Methylbenzaldehyde;4-Tolualdehyde;p-Formyltoluene;NSC 2224;p-Toluic aldehyde;PTAL;2324860-99-1
104-87-0 Inquiry

Polaprezinc

POLAPREZINC;zinc l-carnosine complex;zinc n-(3-aminopropionyl)histidine;[b-Alanyl-kN-L-histidinato(2-)-kN,kO]-zinc;b-Alanyl-L-histidinato Zinc;Promac;Z 103;Zinc Carnosin
107667-60-7 Inquiry
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