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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.

25 Products/Chemicals (Click for related suppliers)

• Benzotriazol-1-YL-Oxytris (Dimethylamino) Phosphonium-Hexa-Fluorophosphate

IUPAC Name: benzotriazol-1-yloxy-tris(dimethylamino)phosphanium | CAS Registry Number: 56602-33-6
Synonyms: Bop reagent, Btzo-tdmap, CID124335, ZINC04261883, LS-190188, Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium, Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium tetrafluoroborate, Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphate, Phosphorus(1+), (1H-benzotriazol-1-olato-O)tris(N-methylmethanaminato)-, (T-4)-, 56602-32-5

Molecular Formula:	C₁₂H₂₂N₆OP+	Molecular Weight:	297.316441 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: RROBIDXNTUAHFW-UHFFFAOYSA-N

• Catharanthine

Synonyms: Catharanthin, (+)-Catharanthine, Catharanthine, (+)-, (+)-3,4-Didehydrocoronaridine, Oprea1_759080, EINECS 219-586-6, AIDS002666, AIDS-002666, LS-77564, 3,4-Didehydroibogamine-18-carboxylic acid methyl ester, Methyl (2alpha,5beta,6alpha)-3,4-didehydroibogamine-18beta-carboxylate, Methyl (2-alpha,5-beta,6-alpha,18-beta)-3,4-didehydroibogamine-18-carboxylate, Ibogamine-18-carboxylic acid, 3,4-didehydro-, methyl ester, (2-alpha,5-beta,6-alpha,18-beta)-, Ibogamine-18-carboxylic acid, 3,4-didehydro-, methyl ester, (2a,5b,6a,18b)-

Molecular Formula:	C₂₁H₂₄N₂O₂	Molecular Weight:	336.427460 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: CMKFQVZJOWHHDV-DYHNYNMBSA-N

• Fluorene

IUPAC Name: 9H-fluorene | CAS Registry Number: 86-73-7
Synonyms: 9H-Fluorene, FLUORENE, Diphenylenemethane, o-Biphenylenemethane, o-Biphenylmethane, 2,3-Benzindene, 2,2'-Methylenebiphenyl, Fluoren, Fluorene solution, Fluorenyl radical, Methane, diphenylene-, CCRIS 947, HSDB 2165, 40078_SUPELCO, 48568_SUPELCO, 48644_SUPELCO, ghl.PD_Mitscher_leg0.1322, 128333_ALDRICH, NSC 6787, 46880_FLUKA

Molecular Formula:	C₁₃H₁₀	Molecular Weight:	166.218500 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	0

InChIKey: NIHNNTQXNPWCJQ-UHFFFAOYSA-N

• Fmoc-beta-Ala-OH

IUPAC Name: 3-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate | CAS Registry Number: 35737-10-1
Synonyms: ZINC02169812, CID7005107

Molecular Formula:	C₁₈H₁₆NO₄-	Molecular Weight:	310.323940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: LINBWYYLPWJQHE-UHFFFAOYSA-M

• HATU

IUPAC Name: [dimethylamino(triazolo[4,5-b]pyridin-3-yloxy)methylidene]-dimethylazanium | CAS Registry Number: 148893-10-1
Synonyms: ZINC00396137, CID4641409

Molecular Formula:	C₁₀H₁₅N₆O+	Molecular Weight:	235.265700 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	6

InChIKey: WXIONIWNXBAHRU-UHFFFAOYSA-N

• L-Alanyl-L-Glutamine

IUPAC Name: (2S)-5-amino-2-[[(2S)-2-aminopropanoyl]amino]-5-oxopentanoic acid | CAS Registry Number: 39537-23-0
Synonyms: alanylglutamine, Ala-gln, Alanyl-glutamine, Glutamine-S, l-Alanyl-l-glutamine, L-Glutamine, N2-L-alanyl-, N(2)-L-Alanyl-L-glutamine, A0550_SIGMA, A8185_SIGMA, G8541_SIGMA, CID123935, TL8002855

Molecular Formula:	C₈H₁₅N₃O₄	Molecular Weight:	217.222400 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	5

InChIKey: HJCMDXDYPOUFDY-WHFBIAKZSA-N

• L-Carnosine

IUPAC Name: (2S)-2-(3-aminopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid | CAS Registry Number: 305-84-0
Synonyms: Carnosine, Spectrum_001178, SpecPlus_000374, Spectrum2_000454, Spectrum3_001212, Spectrum4_001673, Spectrum5_000605, BSPBio_002624, KBioGR_002225, KBioSS_001658, C9625_SIGMA, DivK1c_006470, SPECTRUM1500944, Nalpha-(beta-alanyl)-L-histidine, SPBio_000528, L-alpha-ALANYL-L-HISTIDINE, CHEBI:15727, KBio1_001414, KBio2_001658, KBio2_004226

Molecular Formula:	C₉H₁₄N₄O₃	Molecular Weight:	226.232460 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	6

InChIKey: CQOVPNPJLQNMDC-ZETCQYMHSA-N

• N-Acetyl-L-carnosine

IUPAC Name: 2-(3-acetamidopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid | CAS Registry Number: 56353-15-2
Synonyms: N-Acetylcarnosine, EINECS 260-123-2, N-(N-Acetyl-beta-alanyl)-L-histidine

Molecular Formula:	C₁₁H₁₆N₄O₄	Molecular Weight:	268.269140 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	6

InChIKey: BKAYIFDRRZZKNF-UHFFFAOYSA-N

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

Synonyms: Oprea1_006565, Oprea1_418572, NSC12953, EINECS 244-538-6, NSC100740, NSC 100740, 5-Norbornene-2,3-dicarboximide, N-hydroxy-, N-Hydroxynorborn-5-ene-2,3-dicarboximide, ST5308366, 4,7-Methano-1H-isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-hydroxy-, 4-Hydroxy-4-azatricyclo[5.2.1.0(2,6)]dec-8-ene-3,5-dione

Molecular Formula:	C₉H₉NO₃	Molecular Weight:	179.172660 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: ZUSSTQCWRDLYJA-UHFFFAOYSA-N

• O-(1H-Benzotriazol-1-yl)-N,N,N,N,-Tetramethyluronium Tetrafluoroborate (TBT)

IUPAC Name: [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium; boron(3+); tetrafluoride | CAS Registry Number: 125700-67-6
Synonyms: Btttfb, CID130499, Benzotriazol-1-yl-tetramethyluronium tetrafluoroborate, (1H-Benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate, Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, tetrafluoroborate(1-)

Molecular Formula:	C₁₁H₁₆BF₄N₅O	Molecular Weight:	321.082253 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	9

InChIKey: SHGLJDNRZIDILW-UHFFFAOYSA-J

• O-(5-Norbornene-2,3-dicarboximido)-N,N,N' ,N' -tetramethyluronium tetrafluoroborate

Synonyms: TNTU, O-(Bicyclo[2.2.1]hept-5-ene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium tetrafluoroborate, AGN-PC-0010SR, 368164_ALDRICH, 2-(5-Norbornene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium Tetrafluoroborate, AKOS015965115, 2-(endo-5-Norbornene-2,3-dicarboxymido)-, AB1011502, N0634, ST50989938, 39796A, 2-(5-Norborene-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate, 2-(endo-5-norbornene-2,3-dicarboxyimido)-1,1,3,3-tetramethyluronium tetrafluoroborate, 2-(endo-5-norbornene-2,3-dicarboxymido)-1,1,3,3-tetramethyluronium tetrafluoroborate, O-(5-Norbornene-2,3-dicarboximido)-N,N,N',N'-tetramethyluronium tetrafluoroborate, O-(Bicyclo[2.2.1]hept-5-ene-2,3-dicarboximido)-N,N,N inverted exclamation marka,N inverted exclamation marka-tetramethyluronium tetrafluoroborate; TNTU, TNTU:2-(endo-5-norbornene-2.3-dicarboxylimide)- -1,1,3,3-tetramethyluronium tetrafluoroborate

Molecular Formula:	C₁₄H₂₀BF₄N₃O₃	Molecular Weight:	365.131513 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	8

InChIKey: DMTWWFCCBWWXSA-UHFFFAOYSA-N

• p-Tolualdehyde

IUPAC Name: 4-methylbenzaldehyde | CAS Registry Number: 104-87-0
Synonyms: p-Formyltoluene, p-Toluylaldehyde, 4-Tolualdehyde, p-Tolylaldehyde, para-Tolualdehyde, p-Methylbenzaldehyde, 4-METHYLBENZALDEHYDE, Tolualdehydes, Benzaldehyde, 4-methyl-, 4-Toluylaldehyde, para-Toluyl aldehyde, para-Methylbenzaldehyde, FEMA No. 3068, CCRIS 2942, T35602_ALDRICH, HSDB 5361, W306800_ALDRICH, NSC 2224, 89850_FLUKA, EINECS 203-246-9

Molecular Formula:	C₈H₈O	Molecular Weight:	120.148520 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: FXLOVSHXALFLKQ-UHFFFAOYSA-N

• Peptide Synthesis Reagents

IUPAC Name: (2,5-dioxopyrrolidin-1-yl) 9H-fluoren-9-ylmethyl carbonate | CAS Registry Number: 82911-69-1
Synonyms: Fmoc-onsu, Fmoc-OSu, Maybridge3_003020, Oprea1_282076, CBDivE_000404, Fmoc N-hydroxysuccinimide ester, 46920_FLUKA, N-(9-Fluorenylmethoxycarbonyloxy)succinimide, SBB005973, 9-Fluorenylmethylsuccinimidyl carbonate, 9-Fluorenylmethyl succinimidyl carbonate, IDI1_014407, BAS 00033369, TL806427, 9-Fluorenylmethyl N-succinimidyl carbonate, SR-01000640502-1, 2,5-Pyrrolidinedione, 1-(((9H-fluoren-9-ylmethoxy)carbonyl)oxy)-, Carbonic acid 2,5-dioxo-pyrrolidin-1-yl ester 9H-fluoren-9-ylmethyl ester

Molecular Formula:	C₁₉H₁₅NO₅	Molecular Weight:	337.326100 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: WMSUFWLPZLCIHP-UHFFFAOYSA-N

• Vinblastine Sulphate

Synonyms: Velban, Vinblastine sulfate, VLB monosulfate, Velbe, Vinblastine 5, Velsar, Rozevin sulfate, EXAL, Belvan, VLB, Vincaleukoblastine, Velban (TN), Vinblastine sulphate, Exal (TN), Vincaleucoblastine sulfate, Vincaleukoblastine sulfate, Vincaleukoblastine, sulfate, Vinblastine Sulfate Hydrate, Vinblastine, sulfate, hydrate, CCRIS 2584, CHEBI:9984

Molecular Formula:	C₄₆H₆₀N₄O₁₃S	Molecular Weight:	909.052600 [g/mol]
H-Bond Donor:	5	H-Bond Acceptor:	17

InChIKey: KDQAABAKXDWYSZ-JKDPCDLQSA-N

• Vincristine Sulphate

Synonyms: Oncovin, Kyocristine, Vincrisul, Onkovin, Vincristine sulfate, Vincrex, VCR sulfate, vincristine, Leurocristine, Vincasar PFS, Vincristine sulphate, Oncovin (TN), Leurocristine sulfate, Vincristine, sulfate, Lilly 37231, Leurocristine, sulfate, Vincristinsulfat [German], Ambap1387, Vincristine Sulfate PFS, CCRIS 2583

Molecular Formula:	C₄₆H₅₈N₄O₁₄S	Molecular Weight:	923.036120 [g/mol]
H-Bond Donor:	5	H-Bond Acceptor:	17

InChIKey: AQTQHPDCURKLKT-JKDPCDLQSA-N

• Vindoline

Synonyms: Vindolin, Vindoline (8CI), EINECS 218-558-0, NSC 91994, AIDS014787, NSC 628056, AIDS-014787, CID16596, NSC91994, NSC628056, LS-22154, (2beta,3beta,4beta,5alpha,12beta,19alpha)-4-(Acetyloxy)-6,7-didehydro-3-hydroxy-16-methoxy-1-methylaspidospermidine-3-carboxylic acid, Aspidospermidine-3-carboxylic acid, 4-(acetyloxy)-6,7-didehydro-3-hydroxy-16-methoxy-1-methyl-, methyl ester, (2beta,3beta,4beta,5alpha,12beta,19alpha)-, ASPIDOSPERMIDINE-3-CARBOXYLIC ACID, 4-(ACETYLOXY)-6,7-DIDEHYDRO-3-HYDROXY-16-MET, Methyl 4-(acetyloxy)-3-hydroxy-16-methoxy-1-methyl-6,7-didehydroaspidospermidine-3-carboxylate

Molecular Formula:	C₂₅H₃₂N₂O₆	Molecular Weight:	456.531380 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	8

InChIKey: CXBGOBGJHGGWIE-KKFURDAFSA-N

• Vinorelbine Tartrate

Synonyms: Navelbine, vinorelbine, Vinorelbine tartrate, Vinorelbine ditartrate, Navelbine (TN), Vinorelbine tartrate [USAN], Vinorelbine tartrate (USP), Vinorelbine ditartrate (JAN), Nor-5'-anhydrovinblastine ditartrate, CID60779, KW-2307, C45H54N4O8.2C4H6O6, KW 2307, LS-97534, D01935, Aspidospermidine-3-carboxylic acid, 4-(acetyloxy)-6,7-didehydro-15-((2R,6R,8S)-4-ethyl-1,3,6,7,8,9-hexahydro-8-(methoxycarbonyl)-2,6-methano-2H-azecino(4,3-b)indol-8-yl)-3-hydroxy-16-methoxy-1-methyl-, methyl ester, (2beta,3beta,4beta,5alpha,12R,19alpha)-, (2R,3R)-2,3-dihydroxybutanedioate (1:2) (salt), C'-Norvincaleukoblastine, 3',4'-didehydro-4'-deoxy-, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:2) (salt), 3',4'-Didehydro-4'-deoxy-8'-norvincaleukoblastine L-(+)-tartrate (1:2) (salt)

Molecular Formula:	C₅₃H₆₆N₄O₂₀	Molecular Weight:	1079.105940 [g/mol]
H-Bond Donor:	10	H-Bond Acceptor:	24

InChIKey: CILBMBUYJCWATM-NPJYPKOYSA-N

• Zinc Carnosine

IUPAC Name: zinc 2-[(3-azanidyl-1-oxidopropylidene)amino]-3-(1H-imidazol-5-yl)propanoate | CAS Registry Number: 107667-60-7
Synonyms: Polaprezinc, Promac, Zinc L-carnosine, Polaprezinc [INN], Promac (antiulcer agent), CCRIS 3974, NCGC00181764-01, Z 103, LS-162824, Zinc, (beta-alanyl-kappaN-L-histidinato(2-)-kappaN,kappaO)-, (N(alpha)-(3-Aminopropionyl)histidinato(2-)N1,N2,O(alpha))-zinc, Zinc, (N-beta-alanyl-L-histidinato(2-)-N,N(sup N),O(sup alpha))-, Zinc, (N-beta-alanyl-L-histidinato(2-)-N,N(N),N3,O(alpha))-, (T-4)-, catena-Poly(zinc-mu-(beta-alanyl-L-histidinato(2(-))-N,N(sup N),O:N(sup tau))), catena-Poly(zinc-mu-(beta-alanyl-L-histidinato(2-)-N,N(sup N),O:N(sup tau))), 120520-26-5, 132613-07-1

Molecular Formula:	C₉H₁₁N₄O₃Zn-	Molecular Weight:	288.617640 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: VBHDYBCWTAXBNA-UHFFFAOYSA-L

• 2-[1H-Benzotriazol-1-yl]-1,1,3,3-Tetramethyluronium Hexafluorophosphate

IUPAC Name: [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium | CAS Registry Number: 94790-37-1
Synonyms: ZINC00156069, CID130500, ZINC05224349

Molecular Formula:	C₁₁H₁₆N₅O+	Molecular Weight:	234.277640 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: CLZISMQKJZCZDN-UHFFFAOYSA-N

• 1-Hydroxybenzotriazole Hydrate

IUPAC Name: 1-hydroxybenzotriazole;hydrate | CAS Registry Number: 123333-53-9
Synonyms: 1-Hydroxybenzotriazole hydrate, 1-hydroxybenzotriazole monohydrate, 80029-43-2, HOBt Hydrate, 1h-1,2,3-benzotriazol-1-ol hydrate, 1-hydroxy benzotriazole monohydrate, SBB000114, AG-D-50208, hobt monohydrate, hobt (monohydrate), benzotriazolol, hydrate, AC1MDUQK, ACMC-209aon, SureCN5523, benzotriazolol, oxamethane, n-hydroxybenzotriazole h2o, KSC490O8P, 54802_ALDRICH, 1-oxidanylbenzotriazole hydrate, 157260_ALDRICH

Molecular Formula:	C₆H₇N₃O₂	Molecular Weight:	153.138680 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: PJUPKRYGDFTMTM-UHFFFAOYSA-N

• 2-Amino-3,5-Dinitrothiophene

IUPAC Name: 3,5-dinitrothiophen-2-amine | CAS Registry Number: 2045-70-7
Synonyms: 2-Amino-3,5-dinitrothiophene, 2,5-Dinitrothiophen-2-amine, 521620_ALDRICH, 2-Thiophenamine, 3,5-dinitro-, ZINC04073051, Thiophene, 2-amino-3,5-dinitro-, CID74895, EINECS 218-065-0, ST5307672, 12W-0934

Molecular Formula:	C₄H₃N₃O₄S	Molecular Weight:	189.149320 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: DZRZHFOFVWAKGT-UHFFFAOYSA-N

• 9-Fluorenemethanol

IUPAC Name: 9H-fluoren-9-ylmethanol | CAS Registry Number: 24324-17-2
Synonyms: 9-Fluorenylmethanol, Fluorene-9-methanol, 9H-Fluorene-9-methanol, (Fluoren-9-yl)methanol, 9H-Fluoren-9-ylmethanol, 9-(Hydroxymethyl)fluorene, ChemDiv3_002715, 160504_ALDRICH, ZINC01004778, CID90466, EINECS 246-167-5, SBB008508, FR-2190, EU-0076483, F-2870, AN-512/13501009

Molecular Formula:	C₁₄H₁₂O	Molecular Weight:	196.244480 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: XXSCONYSQQLHTH-UHFFFAOYSA-N

• 3,4-Dimethylbenzaldehyde

IUPAC Name: 3,4-dimethylbenzaldehyde | CAS Registry Number: 5973-71-7
Synonyms: Ambap4839, Benzaldehyde, 3,4-dimethyl-, 3,4-DIMETHYLBENZALDEHYDE, 493856_ALDRICH, EINECS 227-770-2, ZINC02146875

Molecular Formula:	C₉H₁₀O	Molecular Weight:	134.175100 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: POQJHLBMLVTHAU-UHFFFAOYSA-N

• 1-Hydroxy-7-Azabenzotriazole (CAS: 57115-46-5)

• 1-Hydroxy-7-azabenotriazole

IUPAC Name: 3-hydroxytriazolo[4,5-b]pyridine | CAS Registry Number: 39968-33-7
Synonyms: HOAt, Ambap3803, 559156_ALDRICH, 41996_FLUKA, ALBB-006385, ZINC00396136, 1-Hydroxy-7-azabenzotriazole solution, LS-193843, 3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol, 3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol, InChI=1/C5H4N4O/c10-9-5-4(7-8-9)2-1-3-6-5/h1-3,10

Molecular Formula:	C₅H₄N₄O	Molecular Weight:	136.111460 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: FPIRBHDGWMWJEP-UHFFFAOYSA-N