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Tailor-made PEG Linkers
conjugate (ADC) development projects. All chemical linkers are of >95% purity standard.
IVD Material Development
including enzymes, carbohydrates, antigens, antibodies and custom biochemicals.
Development
ensure of a high success rate for custom synthesis.
of single or total impurities. And we always consider feasibility of scale-up production in lab trial.
Development
IVD Materials
alpha-D-Glucose pentaacetate CAS 3891-59-6
alpha-D-Glucose pentaacetate,3891-59-6,D-Glucose 2,3,4,5,6-pentaacetate
Recombinant Bovine Granulocyte Chemotactic Protein 2/CXCL6 (rBoGCP-2/CXCL6) CAS 251-06-1816
Recombinant Bovine Granulocyte Chemotactic Protein 2/CXCL6,rBoGCP-2/CXCL6,,P80221,281735
Recombinant Murine Thymus and Activation Regulated Chemokine/CCL17 (rMuTARC/CCL17) CAS 224-17-1816
Recombinant Murine Thymus and Activation Regulated Chemokine/CCL17,rMuTARC/CCL17,,,
6-Chloro-3-indolyl beta-D-glucuronide cyclohexylammonium salt CAS 138182-20-4
6-Chloro-3-indolyl beta-D-glucuronide cyclohexylammonium salt,138182-20-4,,Indole substrate
Recombinant Human Follistatin (rHuFollistatin) CAS 108-16-1816
Recombinant Human Follistatin,rHuFollistatin,,,
Let's Overcome This Pandemic Together in 2022
Watson will go on working with our partners globally to fight against Covid-19,
and hope to overcome it completely in 2022.
APIs and Intermediates
Antibody/Antigen Rapid Test Kits
VTM Kit | GMP and FDA Approved
Polyethylene Glycol (PEG) Linkers
Nucleotides
2′-Deoxycytidine-5′-triphosphate trisodium salt CAS 109909-44-6
Identification Properties Safety Data Specifications & Other Information Links Quick Inquiry Identification CAS Number 109909-44-6 Name 2′-Deoxycytidine-5′-triphosphate trisodium salt Synonyms 109909-44-6 [RN]2′-Désoxy-5′-O-[({[(hydroxyphosphinato)oxy]phosphinato}oxy)phosphinato]cytidine de trisodium [French] [ACD/IUPAC Name]Cytidine, 2′-deoxy-, 5′-(tetrahydrogen triphosphate), sodium salt (1:3) [ACD/Index Name]dCTPTrinatrium-2′-desoxy-5′-O-[({[(hydroxyphosphinato)oxy]phosphinato}oxy)phosphinato]cytidin [German] [ACD/IUPAC Name]Trisodium 2′-deoxy-5′-O-[({[(hydroxyphosphinato)oxy]phosphinato}oxy)phosphinato]cytidine [ACD/IUPAC Name][109909-44-6]102783-51-7 [RN]2\’-Deoxycytidine-5\’-triphosphate trisodium salt2′-Deoxyadenosine 5′-triphosphate sodium salt2′-DEOXYCYTIDINE-5′-TRIPHOSPHATE TRISODIUM SALT2-Deoxycytidine-5-triphosphatetrisodiumsalt2′-Deoxycytidine-5′-triphosphoric acid trisodium saltCytidine5′-(tetrahydrogen triphosphate), 2′-deoxy-, trisodium salt (9CI)MFCD00080336 [MDL
dNTP mix(A,C,T,G) 25 mM each CAS UENA-0198
Identification Properties Safety Data Specifications & Other Information Links Quick Inquiry Identification CAS Number UENA-0198 Name Deoxynucleotide (dNTP) Mix,25 mM each , PCR Reagent(dATP,dCTP, dGTP and dTTP each at 25mM) Properties Appearance Clear colorless solution Safety Data RIDADR NONH for all modes of transport WGK Germany 3 Specifications and Other Information of Our dNTP mix(A,C,T,G) 25 mM each CAS
Cytidine 5′-triphosphate disodium salt CAS 36051-68-0(81012-87-5, 652154-13-7)
Cytidine 5′-triphosphate disodium salt,36051-68-0,5′-CTP, 2Na ; CTP-Na2
disodium5′-O-[({hydroxy[(hydroxyphosphinato)oxy]phosphoryl}oxy)phosphinato]c
ytidine;,C9H14O14N3P3Na2
Polycytidylic acid potassium salt CAS 26936-40-3
Polycytidylic acid potassium salt,26936-40-3,Poly C potassium salt,(C9H11O7N3PK)n
1-Chloro-3,5-di(4-chlorbenzoyl)-2-deoxy-D-ribose CAS 3601-90-9
1-Chloro-3,5-di(4-chlorbenzoyl)-2-deoxy-D-ribose,3601-90-9,3,5-O-Bis(4-chlorobenzoyl)-2-deoxy-D-ribofuranosylchloride,C19H15Cl3O5
Polyinosinic-polycytidylic acid sodium salt CAS 42424-50-0
Polyinosinic¨Cpolycytidylic acid sodium salt,42424-50-0,Poly I:C sodium salt,(C19H21N7O14P2Na2)n
Impurity Reference Standards
- All
- Acebutolol
- Blonanserin
- Fingolimod
- Oxcarbazepine
- Rosuvastatin
- Sitagliptin
Oxcarbazepine Impurity 8 CAS 3564-73-6
Oxcarbazepine Impurity 8,3564-73-6,Oxcarbazepine
Fingolimod Heptyl Impurity CAS 162361-44-6
Fingolimod Heptyl Impurity,162361-44-6,Fingolimod
blonanserin impurity G CAS 132810-10-77
blonanserin impurity G,132810-10-77,blonanserin
Sitagliptin Azoacetyl Impurity CAS 762240-92-61
Sitagliptin Azoacetyl Impurity,762240-92-61,Sitagliptin
Rosuvastatin EP Impurity C (sodiumsalt) CAS 1620823-61-1
Rosuvastatin EP Impurity C (sodiumsalt),1620823-61-1,Rosuvastatin
Acebutolol EP Impurity I CAS 441019-91-6
Acebutolol EP Impurity I,441019-91-6,Acebutolol
Prostaglandin
D-Cloprostenol Sodium CAS 62561-03-9
(+)-Cloprostenol Sodium,62561-03-9,sodium (5Z)-7-{(1R,2R,3R,5S)-2-[(1E,3R)-4-(3-chlorophenoxy)-3-hydroxybut-1-en-1-yl]-3,5-dihydroxycyclopentyl}hept-5-enoate
Lubiprostone CAS 333963-40-9
Lubiprostone,333963-40-9,(2R,4aR,5R,7aR)-2-(1,1-Difluoropentyl)-2-hydroxy-6-oxo-3,4,4a,5,7,7a-hexahydrocyclopenta[b]pyran-5-heptanoicacid,C20H32F2O5
Travoprost CAS 157283-68-6
Identification Properties Safety Data Specifications & Other Information Links Quick Inquiry Identification CAS Number 157283-68-6 Name Travoprost Synonyms (+/-)-16-(M-TRIFLUOROMETHYLPHENOXY)TETRANORPROSTAGLANDIN F2 15(S)-FLU-IPR 15(S)-FLUPROSTENOL ISOPROPYL ESTER (+)-9ALPHA,11ALPHA,15R-TRIHYDROXY-16-(3-(TRIFLUOROMETHYL)PHENOXY)-17,18,19,20-TETRANOR-PROSTA-5Z,13E-DIEN-1-OIC ACID, ISOPROPYL ESTER 9ALPHA,11ALPHA,15S-TRIHYDROXY-16(3-(TRIFLUOROMETHYL)PHENOXY)-17,18,19,20-TETRANOR-PROSTA-5Z,13E-DIEN-1-OIC ACID, ISOPROPYL ESTER (+)-FLUPROSTENOL ISOPROPYL ESTER FLUPROSTENOL ISOPROPYL ESTER FLU-IPR 1-methylethyl (5Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-{(1E,3R)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]but-1-en-1-yl}cyclopentyl]hept-5-enoate Travatan Travatan Z Molecular Structure SMILES FC(F)(F)c2cc(OC[[email protected]](O)/C=C/[[email protected]@H]1[[email protected]]([[email protected]@H](O)C[[email protected]]1O)C\C=C/CCCC(=O)OC(C)C)ccc2 StdInChI InChI=1S/C26H35F3O6/c1-17(2)35-25(33)11-6-4-3-5-10-21-22(24(32)15-23(21)31)13-12-19(30)16-34-20-9-7-8-18(14-20)26(27,28)29/h3,5,7-9,12-14,17,19,21-24,30-32H,4,6,10-11,15-16H2,1-2H3/b5-3-,13-12+/t19-,21-,22-,23+,24-/m1/s1 StdInChIKey MKPLKVHSHYCHOC-AHTXBMBWSA-N Molecular Formula C26H35F3O6 Molecular Weight 500.5477
DECHLORO DIHYDROXYDIFLUORO ETHYLCLOPROSTENOLAMIDE CAS 1185851-52-8
Identification Properties Safety Data Specifications andamp ; Other Information Links Identification CAS Number 1185851-52-8 Name DECHLORO DIHYDROXYDIFLUORO ETHYLCLOPROSTENOLAMIDE Synonyms (5Z)-7-{(1R,2R,3R,5S)-2-[(1E)-3,3-Difluor-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl}-N-ethyl-5-heptenamid [German] [ACD/IUPAC Name] (5Z)-7-{(1R,2R,3R,5S)-2-[(1E)-3,3-Difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl}-N-ethyl-5-heptenamide [ACD/IUPAC Name] (5Z)-7-{(1R,2R,3R,5S)-2-[(1E)-3,3-Difluoro-4-phénoxy-1-butén-1-yl]-3,5-dihydroxycyclopentyl}-N-éthyl-5-hepténamide [French] [ACD/IUPAC Name] 5-Heptenamide, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-N-ethyl-, (5Z)- [ACD/Index Name] (Z)-7-[(1R,2R,3R,5S)-2-[(E)-3,3-difluoro-4-phenoxybut-1-enyl]-3,5-dihydroxycyclopentyl]-N-ethylhept-5-enamide 1185851-52-8 [RN] Tafluprost ethyl amide UNII-JJG9Y3YD25 Molecular Structure SMILES CCNC(=O)CCC/C=C\C[[email protected]]1[[email protected]](C[[email protected]]([[email protected]@H]1/C=C/C(COc2ccccc2)(F)F)O)O StdInChI InChI=1S/C24H33F2NO4/c1-2-27-23(30)13-9-4-3-8-12-19-20(22(29)16-21(19)28)14-15-24(25,26)17-31-18-10-6-5-7-11-18/h3,5-8,10-11,14-15,19-22,28-29H,2,4,9,12-13,16-17H2,1H3,(H,27,30)/b8-3-,15-14+/t19-,20-,21+,22-/m1/s1 StdInChIKey VJZKLIPANASSBD-MSHHKXPZSA-N Molecular Formula C24H33F2NO4 Molecular Weight 437.52 Properties Appearance Colorless
Chiral Catalysts and Ligands
- All
- Catalysts
- Chiral Catalysts & Ligands
- Chiral Phosphoric Acids- Binol
- Chiral Phosphoric Acids-H8-Binol
- Electronic Chemicals
- For OLED
- Performance Products
- Products & Industries
- Proline-Based Organocatalysts-Si-R
(S)-2-[Diphenyl[[trisisopropylsilyl]oxy]methyl]pyrrolidine CAS 1339961-44-2
(S)-2-[Diphenyl[[trisisopropylsilyl]oxy]methyl]pyrrolidine,1339961-44-2,
2-(((tert-butyldimethylsilyl)oxy)di(naphthalen-2-yl)methyl)pyrrolidine CAS WICPC00029
2-(((tert-butyldimethylsilyl)oxy)di(naphthalen-2-yl)methyl)pyrrolidine,WICPC00029,
R-4-oxide-4-hydroxy-2,6-di-1-naphthalenyl-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin CAS 864943-23-7
R-4-oxide-4-hydroxy-2,6-di-1-naphthalenyl-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin,864943-23-7,
R-4-oxide-4-hydroxy-2,6-bis(2,4,6-triMethylphenyl)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin CAS 695162-87-9
R-4-oxide-4-hydroxy-2,6-bis(2,4,6-triMethylphenyl)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin,695162-87-9,
S-4-oxide-4-hydroxy-2,6-bis(4-nitrophenyl)- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin CAS 878111-16-1
S-4-oxide-4-hydroxy-2,6-bis(4-nitrophenyl)- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin,878111-16-1,
(11bR)-8,9,10,11,12,13,14,15-Octahydro-4-hydroxy-2,6-bis[4-(trifluoromethyl)phenyl]-4-oxide-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin CAS 791616-70-1
(11bR)-8,9,10,11,12,13,14,15-Octahydro-4-hydroxy-2,6-bis[4-(trifluoromethyl)phenyl]-4-oxide-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin,791616-70-1,
Silver Nanowire (Agnw) Development And Scaled Up
Silver nanowire (Agnw) developed by Polyberg, is widely used in Nanosilver Face Masks,
Air/Water Purifier and Silver Nanowire Touch Panels
Materials for Biodegradable Plastics
2,5-dihydroxymethyl tetrahydrofuran CAS 104-80-3
Identification Properties Safety Data Specifications andamp ; Other Information Links Identification CAS Number 104-80-3 Name 2,5-dihydroxymethyl tetrahydrofuran Synonyms 2,5-Anhydro-3,4-dideoxyhexitol [ACD/IUPAC Name] 2,5-Anhydro-3,4-didesoxyhexitol [German] [ACD/IUPAC Name] 2,5-Anhydro-3,4-didésoxyhexitol [French] [ACD/IUPAC Name] 2,5-dihydroxymethyltetrahydrofuran 203-239-0 [EINECS] Hexitol, 2,5-anhydro-3,4-dideoxy- [ACD/Index Name] ((2R,5S)-Tetrahydrofuran-2,5-diyl)dimethanol (5-Hydroxymethyl-tetrahydro-furan-2-yl)-methanol (cis-Tetrahydrofuran-2,5-diyl)dimethanol (tetrahydrofuran-2,5-diyl)dimethanol [104-80-3] [2144-40-3] [5-(hydroxymethyl)oxolan-2-yl]methan-1-ol [5-(hydroxymethyl)oxolan-2-yl]methanol [5-(Hydroxymethyl)tetrahydrofuran-2-yl]methanol 2,5-Bis[hydroxymethyl]tetrahydrofuran 2,5-BISHYDROXYMETHYL TETRAHYDROFURAN 2,5-Dihydroxymethyl tetrahydrofuran 2,5-Dihydroxymethyl Tetrahydrofuran (en) 2,5-Furandimethanol, tetrahydro- 2,5-Tetrahydrofurandimethanol 34957-72-7 [RN]
2,5-Furandimethanol CAS 1883-75-6
Identification CAS Number 1883-75-6 Name 2,5-Furandimethanol Synonyms 2,5-Bis(hydroxymethyl)furan 2,5-Di(hydroxymethyl)furan 5-(hydroxymethyl)-furfuryl alcohol (5-Hydroxymethyl-furan-2-yl)-methanol [5-(hydroxymethyl)-2-furyl]methan-1-ol [5-(hydroxymethyl)furan-2-yl]methanol 2,5-FDM furfuryl alcohol, 5-hydroxymethyl- SMILES OCc1oc(cc1)CO StnInChI InChI=1S/C6H8O3/c7-3-5-1-2-6(4-8)9-5/h1-2,7-8H,3-4H2 StdInChIKey DSLRVRBSNLHVBH-UHFFFAOYSA-N EINECS Number 217-544-1 Molecular Formula C6H8O3 Molecular Weight 128.13 Properties Appearance White or off-white powder Melting Point 74-77°C Flash Point 120.333°C Boiling Point 275.358°C at 760mmHg Density 1.283g/ml Safety Data Symbol GHS07 Signal Word Warning
2,5-Furandicarboxylic acid CAS 3238-40-2
Identification CAS Number 3238-40-2 Name 2,5-Furandicarboxylic acid Synonyms Furan-2,5-dicarboxylic acidFDCA Molecular Structure SMILES O=C(O)c1oc(C(=O)O)cc1 StnInChI InChI=1S/C6H4O5/c7-5(8)3-1-2-4(11-3)6(9)10/h1-2H,(H,7,8)(H,9,10) StdInChIKey CHTHALBTIRVDBM-UHFFFAOYSA-N EINECS Number 221-800-8 MDL Number MFCD00016582 Molecular Formula C6H4O5 Molecular Weight 156.09 Properties Appearance Ultra-white powder Melting Point >300 °C Flash Point 207.324 °C Boiling Point 419.199 °C at 760 mmHg Density 1.604 g/ml Safety Data Symbol GHS07 Signal Word Warning Hazard Statements H315-H319-H335 Precautionary Statements
5-hydroxymethylfurfural CAS 67-47-0
Identification CAS Number 67-47-0 Name 5-Hydroxymethylfurfural Synonyms HMF 5-(Hydroxymethyl)-2-furaldehyde Molecular Structure SMILES c1cc(oc1CO)C=O StdInChI InChI=1S/C6H6O3/c7-3-5-1-2-6(4-8)9-5/h1-3,8H,4H2 StdInChIKey NOEGNKMFWQHSLB-UHFFFAOYSA-N Molecular Formula C6H6O3 Molecular Weight 126.11 EINECS Number 200-654-9 Flavis Number 13.139 Beilstein Registry Number 110889 MDL Number MFCD00003234 Properties Appearance Yellow or off-yellow powder Refractive index n20/D 1.562(lit.) Boiling Point 114-116 °C/1 mmHg(lit.) Melting Point 28-34 °C(lit.) Flash Point 79 °C Density 1.243 g/mL at 25 °C(lit.) Safety Data
Dimethyl Furan-2,5-dicarboxylate (FDME) CAS 4282-32-0
DimethylFuran-2,5-dicarboxylate,4282-32-0,,C8H8O5
2,5-bis(aminomethyl)furan CAS 2213-51-6
Identification Properties Safety Data Specifications andamp ; Other Information Links Identification CAS Number 2213-51-6 Name 2,5-bis(aminomethyl)furan Synonyms 2,5-Furandimethanamine [ACD/Index Name] 2,5-Furandiyldimethanamin [German] [ACD/IUPAC Name] 2,5-Furandiyldimethanamine [ACD/IUPAC Name] 2,5-Furanediyldiméthanamine [French] [ACD/IUPAC Name] 2,5-Bis(aminomethyl)furan 2213-51-6 [RN] Aminomethyl-5 furfurylamine-2 C-(5-Aminomethyl-furan-2-yl)-methylamine furan-2,5-diyldimethanamine SMILES c1cc(oc1CN)CN StdInChI InChI=1S/C6H10N2O/c7-3-5-1-2-6(4-8)9-5/h1-2H,3-4,7-8H2 StdInChIKey VKLGKDZCKSMSHG-UHFFFAOYSA-N Molecular Formula C6H10N2O Molecular Weight C6H10N2O Properties Appearance Off-white to white powder Specifications and
Norfloxacin EP Impurity B CAS 70458-96-77004003
Norfloxacin EP Impurity B CAS 70458-96-77004003
www.watson-int.com
Norfloxacin EP Impurity B,70458-96-77004003,Norfloxacin Moxifloxacin Impurity 23 CAS 354812-41-27002014
Moxifloxacin Impurity 23 CAS 354812-41-27002014
www.watson-int.com
Moxifloxacin Impurity 23,354812-41-27002014,Moxifloxacin Moxifloxacin Impurity 32 CAS 172602-83-4
Moxifloxacin Impurity 32 CAS 172602-83-4
www.watson-int.com
Moxifloxacin Impurity 32,172602-83-4,Moxifloxacin
Moxifloxacin Impurity 26 CAS 354812-41-27002018
https://www.watson-int.com/moxifloxacin-impurity-26-cas-354812-41-27002018/
Moxifloxacin Impurity 25 CAS 354812-41-27002017
https://www.watson-int.com/moxifloxacin-impurity-25-cas-354812-41-27002017/
Norfloxacin EP Impurity B CAS 70458-96-77004003
https://www.watson-int.com/norfloxacin-ep-impurity-b-cas-70458-96-77004003/
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