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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.
No Single Impurity 0.1% max
Recombinant Proteins
Cynomolgus GUCY2C/Guanylyl cyclase C Protein, Accession : XP_005570270
Cynomolgus GUCY2C/Guanylyl cyclase C Protein,XP_005570270,Ser24-Gln430
Biotinylated Human CEACAM-8/CD66b Protein, Accession : NP_001807
Biotinylated Human CEACAM-8/CD66b Protein,NP_001807,Gln35-Ser319
Recombinant Human Endocrine Gland-derived Vascular Endothelial Growth Factor (rHuEG-VEGF) CAS 105-30-1816
Recombinant Human Endocrine Gland-derived Vascular Endothelial Growth Factor,rHuEG-VEGF,,P58294,84432
SARS-CoV-2 Spike S1 (Omicron BA.4/BA.5/BA.5.2) Protein, Accession : QHD43416
SARS-CoV-2 Spike S1 (Omicron BA.4/BA.5/BA.5.2) Protein,QHD43416,Gln14-Arg683(T19I, L24S, PPA25-27del, HV69-70del, G142D, V213G, G339D, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, L452R, S477N, T478K, E484A, F486V, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H)
The Critical Role of Anion Exchange Membranes (AEMs) in Hydrogen Energy
We are dedicating our efforts to developing Anion Exchange Membranes (AEMs)
in preparation for the widespread adoption of hydrogen energy.
Monomers for AEMs
Polymers for AEMs
Anion Exchange Membranes
Polyethylene Glycol (PEG) Linkers
Mal-PEG5-OH CAS 153758-87-3
Identification Properties Safety Data Specifications & Other Information Links Quick Inquiry Identification CAS Number 153758-87-3 Name Mal-PEG5-OH Synonyms 1-(14-Hydroxy-3,6,9,12-tetraoxatetradec-1-yl)-1H-pyrrol-2,5-dion [German] [ACD/IUPAC Name]1-(14-Hydroxy-3,6,9,12-tetraoxatetradec-1-yl)-1H-pyrrole-2,5-dione [ACD/IUPAC Name]1-(14-Hydroxy-3,6,9,12-tétraoxatétradéc-1-yl)-1H-pyrrole-2,5-dione [French] [ACD/IUPAC Name]1-(14-hydroxy-3,6,9,12-tetraoxatetradecan-1-yl)-2,5-dihydro-1H-pyrrole-2,5-dione153758-87-3 [RN]1H-Pyrrole-2,5-dione, 1-(14-hydroxy-3,6,9,12-tetraoxatetradec-1-yl)- [ACD/Index Name]1-(14-Hydroxy-3,6,9,12-tetraoxatetradecyl)-1H-pyrrole-2,5-dione SMILES C1=CC(=O)N(C1=O)CCOCCOCCOCCOCCO StdInChI InChI=1S/C14H23NO7/c16-4-6-20-8-10-22-12-11-21-9-7-19-5-3-15-13(17)1-2-14(15)18/h1-2,16H,3-12H2 StdInChIKey DNTLCLPYCNBCHS-UHFFFAOYSA-N Molecular Formula C14H23NO7 Molecular Weight 317.335 Properties Appearance Pale Yellow or Colorless Oily Safety Data RIDADR NONH for all modes of transport
Nucleotides
Uridine 5′-triphosphate disodium salt CAS 285978-18-9
Uridine 5′-triphosphate disodium salt,285978-18-9,5′-UTP, 2Na ; UTP-Na2
5′- Uridine triphosphatedisodium salt,C9H13N2O15P3.2Na
Adenosine 5′-monophosphate monosodium salt CAS 13474-03-8
Adenosine 5′-monophosphate monosodium salt,13474-03-8,5′-AMP, Na ; AMP-Na
Sodium 5′-O-(hydroxyphosphinato)adenosine ;
Adenosine 5′-monophosphate sodium salt,C10H13N5NaO7P
5′-CMP/Cytidine 5′-Monophosphate CAS 63-37-6
Cytidine 5-monophosphate,63-37-6,5′-CMP ; 5′-cytidylate monophosphate Cytidine-5′-monophosphoric acid ;
Cytidine 5′-monophosphate,free acid ;
Cytidine monophosphate ; 5′-cytidylic acid ; 5′-O-phosphonatocytidine ;
Cytidine 5′-monpohosphate,free acid ;
Cytidylic acid ; 5′-Cytidine Monophosphoric Acid,C9H14N3O8P
UDP-Na2//Uridine 5′-diphosphate disodium salt CAS 27821-45-0
Uridine 5′-diphosphate disodium salt,27821-45-0,5′-UDP,2Na ; UDP- Na2 ;
Uridine 5-diphosphoric acid disodium salt ;
Disodium1-{5-O-[hydroxy(phosphonatooxy)phosphoryl]-beta-D-glycero-pentofura
nosyl}pyrimidine-2,4(1H,3H)-dione;,C9H12N2Na2O12P2
Impurity Reference Standards
- All
- Argatroban
- Aripiprazole
- Benserazide
- Ceftizoxime
- Ethambutol
- Trimetazidine
Tropicamide Related Compound-D CAS 103-82-2
Tropicamide Related Compound-D,103-82-2,Trimetazidine
(E)-Ceftizoxime Open Ring Impurity 2 CAS 68401-81-020013
(E)-Ceftizoxime Open Ring Impurity 2,68401-81-020013,Ceftizoxime
Ethambutol Derivative Impurity 2 CAS 74-55-520078022
Ethambutol Derivative Impurity 2,74-55-520078022,Ethambutol
Benserazide EP Impurity A CAS 55819-71-1
Benserazide EP Impurity A,55819-71-1,Benserazide
Argatroban Impurity 66 CAS 74863-84-666
Argatroban Impurity 66,74863-84-666,Argatroban
Prostaglandin
Prostaglandin intermediates CAS 946081-35-2
Identification Properties Safety Data Specifications and Other Information Links Identification CAS Number 946081-35-2 Name Prostaglandin intermediates Molecular Structure Application Used as the pharmaceutical intermediates of Prostaglandin. Links Quick Inquiry Fill out our inquiry form and one of our experts will be in touch with you shortly (Please change screen to horizontal for complete browsing if you
Latanoprost CAS 130209-82-4(41639-74-1)
Latanoprost,130209-82-4,Propan-2-yl7-[3,5-dihydroxy-2-(3-hydroxy-5-phenyl-pentyl)-cyclopentyl]hept-5-enoate,C26H40O5
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
Cloprostenol isopropyl ester CAS 157283-66-4
Identification Properties Safety Data Specifications andamp ; Other Information Links Identification CAS Number 157283-66-4 Name Cloprostenol isopropyl ester Synonyms (5Z)-7-{(1R,2R,3R,5S)-2-[(3R)-4-(3-Chlorophénoxy)-3-hydroxy-1-butén-1-yl]-3,5-dihydroxycyclopentyl}-5-hepténoate d’isopropyle [French] [ACD/IUPAC Name] 5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(3R)-4-(3-chlorophenoxy)-3-hydroxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5Z)- [ACD/Index Name] Isopropyl (5Z)-7-{(1R,2R,3R,5S)-2-[(3R)-4-(3-chlorophenoxy)-3-hydroxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl}-5-heptenoate [ACD/IUPAC Name] Isopropyl-(5Z)-7-{(1R,2R,3R,5S)-2-[(3R)-4-(3-chlorphenoxy)-3-hydroxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl}-5-heptenoat [German] [ACD/IUPAC Name] (+)-9?,11?,15R-trihydroxy-16-(3-chlorophenoxy)-17,18,19,20-tetranor-prosta-5Z,13E-dien-1-oic acid, isopropyl ester (+)-Cloprostenol isopropyl ester 157283-66-4 [RN] ISOPROPYL CLOPROSTENATE Molecular Structure SMILES CC(C)OC(=O)CCC/C=C\C[C@H]1[C@H](C[C@H]([C@@H]1C=C[C@H](COc2cccc(c2)Cl)O)O)O StdInChI InChI=1S/C25H35ClO6/c1-17(2)32-25(30)11-6-4-3-5-10-21-22(24(29)15-23(21)28)13-12-19(27)16-31-20-9-7-8-18(26)14-20/h3,5,7-9,12-14,17,19,21-24,27-29H,4,6,10-11,15-16H2,1-2H3/b5-3-,13-12?/t19-,21-,22-,23+,24-/m1/s1 StdInChIKey
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[C@H](O)/C=C/[C@@H]1[C@H]([C@@H](O)C[C@H]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
Catalysts and Ligands
(+/-)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl CAS 98327-87-8
(+/-)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl,98327-87-8,2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl;(+/-)-BINAP,C44H32P2
Di-t-butylcyclohexylphosphine Tetrafluoroborate CAS 2143022-27-7
Identification CAS Number 2143022-27-7 Name Di-t-butylcyclohexylphosphine Tetrafluoroborate Synonyms Phosphine, cyclohexylbis(1,1-dimethylethyl)-, tetrafluoroborate(1-);Di-t-butylcyclohexylphosphine Tetrafluoroborate SMILES [B-](F)(F)(F)F.CC(C)(C)[PH+](C1CCCCC1)C(C)(C)C InChI InChI=1S/C14H29P.BF4/c1-13(2,3)15(14(4,5)6)12-10-8-7-9-11-12;2-1(3,4)5/h12H,7-11H2,1-6H3;/q;-1/p+1 InChI Key OWXBFXGXFMZBJV-UHFFFAOYSA-O Molecular Formula C14H30BF4P Molecular Weight 316.17 Properties Appearance White crystalline powder Safety Data RIDADR NONH for all modes of transport WGK Germany 3 Specifications and Other Information of Our Di-t-butylcyclohexylphosphine Tetrafluoroborate CAS 2143022-27-7 Identification Methods HNMR, HPLC
Di-tert-butylmethylphosphonium tetrafluoroborate CAS 479094-62-7
Di-tert-butylmethylphosphonium tetrafluoroborate,479094-62-7,DI-TERT-BUTYLMETHYLPHOSPHONIUM TETRAFLUOROBORATE ;DI-T-BUTYLMETHYLPHOSPHONIUM TETRAFLUOROBORATE;Di-tert-B-butylmethylphosphonium tetrafluoroborate;Di-tert-butylmethylphosphonium tetrafluoroborate;Bis(1,1-dimethylethyl)(methyl)phosphine tetrafluoroborate
Dimethylphenylphosphine CAS 672-66-2
Dimethylphenylphosphine,672-66-2,PHOSPHORUS DIMETHYL PHENYL ;DIMETHYLPHENYLPHOSPHINE;Phenyldimethylphosphine;Phosphine, dimethylphenyl-;Dimethylphenylphosphine;Dimethylphenylphosphine;Dimethylphenylphosphine
n-Butyl di(tert-butyl)phosphonium tetrafluoroborate CAS 1816254-91-7
Identification CAS Number 1816254-91-7 Name n-Butyl di(tert-butyl)phosphonium tetrafluoroborate Synonyms Butyl[bis(2-methyl-2-propanyl)]phosphonium tetrafluoroborate[ACD/IUPAC Name]Butyl[bis(2-methyl-2-propanyl)]phosphoniumtetrafluoroborat[German][ACD/IUPAC Name]Tétrafluoroborate de butyl[bis(2-méthyl-2-propanyl)]phosphonium[French][ACD/IUPAC Name] SMILES CCCC[PH+](C(C)(C)C)C(C)(C)C.F[B-](F)(F)F InChI InChI=1S/C12H27P.BF4/c1-8-9-10-13(11(2,3)4)12(5,6)7;2-1(3,4)5/h8-10H2,1-7H3;/q;-1/p+1 InChIKey LRFPAUOJHILISZ-UHFFFAOYSA-O Molecular Formula C12H28BF4P Molecular Weight 290.13 Properties Appearance White to Off-white crystalline powder Safety Data RIDADR NONH for all modes of transport Specifications and Other Information of Our n-Butyl di(tert-butyl)phosphonium tetrafluoroborate CAS 1816254-91-7 Identification
Dicyclohexylphenylphosphine tetrafluoroborate CAS 161054-07-5
Identification CAS Number 161054-07-5 Name Dicyclohexylphenylphosphine tetrafluoroborate Molecular Formula C18H27BF4P Molecular Weight 362.20 Properties Appearance White to Off-white crystalline powder Safety Data RIDADR NONH for all modes of transport Specifications and Other Information of Our Dicyclohexylphenylphosphine tetrafluoroborate CAS 161054-07-5 Identification Methods 1H-NMR；31P-NMR Purity 98% min Storage The product slowly oxidizes when exposed to air. For long-term
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
ChemWhat Enzymes
Alpha1,3-N-acetylgalactosaminyltransferase ; Pm1138 CAS 124-1-40 E.C.: 2.4.1.40
Alpha1,3-N-acetylgalactosaminyltransferase ; Pm1138,124-1-40,E.C.: 2.4.1.40
Alpha1,3-galactosyltransferase ;GTB CAS 124-1-37 E.C.:2.4.1.37
Alpha1,3-galactosyltransferase ;GTB,124-1-37,E.C.:2.4.1.37
Alpha1,3-N-acetyl-galactosaminyltransferase;BgtA CAS 24-1-401 E.C.:2.4.1.40
Alpha1,3-N-acetyl-galactosaminyltransferase;BgtA,24-1-401,E.C.:2.4.1.40
Beta1,3-galactosyltransferase;WbgO CAS 124-1-86 E.C.:2.4.1.86
Beta1,3-galactosyltransferase;WbgO,124-1-86,E.C.:2.4.1.86
Alpha2,3-sialyltransferase;PhAlpha2.3SiaT CAS 2-4-994 E.C.:2.4.99.4
Alpha2,3-sialyltransferase;PhAlpha2.3SiaT,2-4-994,E.C.:2.4.99.4
Alpha1,2-fucosyltransferase ; a1,2FucT CAS 124-1-69 E.C.: 2.4.1.69
Alpha1,2-fucosyltransferase ; a1,2FucT,124-1-69,E.C.: 2.4.1.69
Advancing Dental Adhesive Solutions – Watson’s Innovations in 4-META, 10-MDP and Bis-GDMAP
Advancing Dental Adhesive Solutions – Watson’s Innovations in 4-META, 10-MDP and Bis-GDMAP
www.watson-int.com
Challenges with 4-META4-Methacryloxyethyl trimellitic anhydride, commonly known as 4-META (CAS: 70293-55-9), plays a critical role in dental adhesive system
Watson’s Mesalazine API Production Pursuing DMF Registration in the EU and Japan
Watson’s Mesalazine API Production Pursuing DMF Registration in the EU and Japan
www.watson-int.com
Mesalazine, also known as mesalamine, is a highly effective anti-inflammatory drug widely used in the treatment of inflammatory bowel diseases (IBD), particular
Tris Buffer: The Indispensable Tool for Biochemical Research – Why ChemWhat Brand Leads the Global Market
www.watson-int.com
Applications of Tris BufferTris Buffer (Tris(hydroxymethyl)aminomethane) is a widely used buffer in biochemistry and molecular biology due to its versatile
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Watson's Mesalazine API Production Pursuing DMF Registration in the EU and Japan - Watson is a trusted leader in the production of mesalazine active pharmaceutical ingredients or API, leveraging advanced technology and a robust regulatory framework to en…
Tris Buffer The Indispensable Tool for Biochemical Research Why ChemWhat Brand Leads the Global - Tris Buffer is indispensable in a wide range of biochemical and molecular biology applications. ChemWhat’s unmatched expertise, production scale, and co…
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Watson's Mesalazine API Production Pursuing DMF Registration in the EU and Japan
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LAP - A Highly Efficient Blue Light Photoinitiator in Hydrogel and Bio-Printing Technologies
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