WHO

Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.

283 products

Popular Products

View as List Grid

Showing 1-12 of 283

Set Descending Direction
  1. Retinoic acid
    CAS: 302-79-4 EC Number: 206-129-0 Formula: C20H28O2 Molecular Weight: 300.44
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
    ● In Stock — US Item #: R106320
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenoic acid
    SMILES
    CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC(=O)O)C)C
    InChIKey
    SHGAZHPCJJPHSC-YCNIQYBTSA-N
    InChI
    1S/C20H28O2/c1-15(8-6-9-16(2)14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12,14H,7,10,13H2,1-5H3,(H,21,22)/b9-6+,12-11+,15-8+,16-14+
    Synonyms
    (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid | TRETINOIN COMPONENT OF...
  2. Retinol, Agonist of Testicular receptor 4
    CAS: 68-26-8 EC Number: 200-683-7 Formula: C20H30O Molecular Weight: 286.45
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥95%
    ● In Stock — US Item #: V111674
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol
    SMILES
    CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CCO)C)C
    InChIKey
    FPIPGXGPPPQFEQ-OVSJKPMPSA-N
    InChI
    1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
    Synonyms
    Chocola A | Vitamin A (Natural) | Vitamin A1, all-trans- | Vitpex | 2,4,6,8-Nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-t...
  3. Ritonavir, Cytochrome P450 3A inhibitor
    CAS: 155213-67-5 EC Number: 605-001-5 Formula: C37H48N6O5S2 Molecular Weight: 720.94
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
    ● In Stock — US Item #: R126586
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    1,3-thiazol-5-ylmethyl N-[(2S,3S,5S)-3-hydroxy-5-[[(2S)-3-methyl-2-[[methyl-[(2-propan-2-yl-1,3-thiazol-4-yl)methyl]carbamoyl]amino]butanoyl]amino]-1,show more
    SMILES
    CC(C)C1=NC(=CS1)CN(C)C(=O)NC(C(C)C)C(=O)NC(CC2=CC=CC=C2)CC(C(CC3=CC=CC=C3)NC(=O)OCC4=CN=CS4)O
    InChIKey
    NCDNCNXCDXHOMX-XGKFQTDJSA-N
    InChI
    1S/C37H48N6O5S2/c1-24(2)33(42-36(46)43(5)20-29-22-49-35(40-29)25(3)4)34(45)39-28(16-26-12-8-6-9-13-26)18-32(44)31(17-27-14-10-7-11-15-27)41-37(47)48-2show more
    Synonyms
    2,4,7,12-Tetraazatridecan-13-oic acid, 10-hydroxy-2-methyl-5-(1-methylethyl)-1-[2-(1-methylethyl)-4-thiazolyl]-3,6-di...
  4. Linezolid, Bacterial 70S ribosome inhibitor
    CAS: 165800-03-3 EC Number: 605-416-1 Formula: C16H20FN3O4 Molecular Weight: 337.35
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%
    ● In Stock — US Item #: L126613
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    N-[[(5S)-3-(3-fluoro-4-morpholin-4-ylphenyl)-2-oxo-1,3-oxazolidin-5-yl]methyl]acetamide
    SMILES
    CC(=O)NCC1CN(C(=O)O1)C2=CC(=C(C=C2)N3CCOCC3)F
    InChIKey
    TYZROVQLWOKYKF-ZDUSSCGKSA-N
    InChI
    1S/C16H20FN3O4/c1-11(21)18-9-13-10-20(16(22)24-13)12-2-3-15(14(17)8-12)19-4-6-23-7-5-19/h2-3,8,13H,4-7,9-10H2,1H3,(H,18,21)/t13-/m0/s1
    Synonyms
    cid_441401 | s1408 | SMR000466335 | FT-0642294 | LINEZOLID [JAN] | LINEZOLID [USAN] | N-(((S)-3-(3-Fluoro-4-morpholin...
  5. Furosemide, Sodium-(potassium)-chloride cotransporter 2 inhibitor
    CAS: 54-31-9 EC Number: 200-203-6 Formula: C12H11ClN2O5S Molecular Weight: 330.74
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
    ● In Stock — US Item #: F129560
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    4-chloro-2-(furan-2-ylmethylamino)-5-sulfamoylbenzoic acid
    SMILES
    C1=COC(=C1)CNC2=CC(=C(C=C2C(=O)O)S(=O)(=O)N)Cl
    InChIKey
    ZZUFCTLCJUWOSV-UHFFFAOYSA-N
    InChI
    1S/C12H11ClN2O5S/c13-9-5-10(15-6-7-2-1-3-20-7)8(12(16)17)4-11(9)21(14,18)19/h1-5,15H,6H2,(H,16,17)(H2,14,18,19)
    Synonyms
    Diuzol | Furomen | Lasix | Radisemide | Salix | Urosemide | Furosan | Furose | Aldalix | Endural | Diural | Diurin | ...
  6. Levofloxacin
    CAS: 100986-85-4 EC Number: 600-146-0 Formula: C18H20FN3O4 Molecular Weight: 361.37
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)
    ● In Stock — US Item #: L157745
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
    SMILES
    CC1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCN(CC4)C)F)C(=O)O
    InChIKey
    GSDSWSVVBLHKDQ-JTQLQIEISA-N
    InChI
    1S/C18H20FN3O4/c1-10-9-26-17-14-11(16(23)12(18(24)25)8-22(10)14)7-13(19)15(17)21-5-3-20(2)4-6-21/h7-8,10H,3-6,9H2,1-2H3,(H,24,25)/t10-/m0/s1
    Synonyms
    1-bromo-2-trifluoromethyl benzene | o,.alpha.,.alpha.,.alpha.-Tetrafluorotoluene | GTPL10911 | KBio2_002199 | Levoflo...
  7. Folic acid
    CAS: 59-30-3 EC Number: 200-419-0 Formula: C19H19N7O6 Molecular Weight: 441.4
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. Suitable for plant cell culture ? Plant cell-culture grade — formulated for plant tissue and cell cultures. Use in plant biotechnology, callus, and suspension culture work. ≥97%
    ● In Stock — US Item #: F103642
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
    SMILES
    C1=CC(=CC=C1C(=O)NC(CCC(=O)O)C(=O)O)NCC2=CN=C3C(=N2)C(=O)NC(=N3)N
    InChIKey
    OVBPIULPVIDEAO-LBPRGKRZSA-N
    InChI
    1S/C19H19N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,8,12,21H,5-7H2,(H,24,29)(H,27,28)(show more
    Synonyms
    .beta.-D-Allopyranose, 1,6-anhydro-2,3-di-O-methyl-4-O-(phenylmethyl)- | CHEBI:27470 | DTXCID102519 | Foldine (France...
  8. Folic acid
    CAS: 59-30-3 EC Number: 200-419-0 Formula: C19H19N7O6 Molecular Weight: 441.4
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. for Cell culture ? Cell-culture grade — low endotoxin and contaminants to support viable cell growth. Use in mammalian/other cell culture media and supplements. Suitable for insect cell culture ? Insect cell-culture grade — suited to insect cell systems (e.g. Sf9, baculovirus). Use for protein expression and culture in insect cell lines. ≥97%
    ● In Stock — US Item #: F103641
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
    SMILES
    C1=CC(=CC=C1C(=O)NC(CCC(=O)O)C(=O)O)NCC2=CN=C3C(=N2)C(=O)NC(=N3)N
    InChIKey
    OVBPIULPVIDEAO-LBPRGKRZSA-N
    InChI
    1S/C19H19N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,8,12,21H,5-7H2,(H,24,29)(H,27,28)(show more
    Synonyms
    .beta.-D-Allopyranose, 1,6-anhydro-2,3-di-O-methyl-4-O-(phenylmethyl)- | CHEBI:27470 | DTXCID102519 | Foldine (France...
  9. Tamoxifen, Agonist of Estrogen receptor-α;Antagonist of Estrogen receptor-α;Agonist of Estrogen receptor-β;Antagonist of Estrogen receptor-β;Agonist of GPER
    CAS: 10540-29-1 EC Number: 234-118-0 Formula: C26H29NO Molecular Weight: 371.51
    Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%(HPLC)
    ● In Stock — US Item #: T137975
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine
    SMILES
    CCC(=C(C1=CC=CC=C1)C2=CC=C(C=C2)OCCN(C)C)C3=CC=CC=C3
    InChIKey
    NKANXQFJJICGDU-QPLCGJKRSA-N
    InChI
    1S/C26H29NO/c1-4-25(21-11-7-5-8-12-21)26(22-13-9-6-10-14-22)23-15-17-24(18-16-23)28-20-19-27(2)3/h5-18H,4,19-20H2,1-3H3/b26-25-
    Synonyms
    (Z)-Tamoxifen | ICI 47699 | trans-Tamoxifen
  10. Sumatriptan, Serotonin 1d (5-HT1d) receptor agonist
    CAS: 103628-46-2 EC Number: 600-462-9 PubChem CID: 5358 Formula: C14H21N3O2S Molecular Weight: 295.4
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
    ● In Stock — US Item #: S333476
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    1-[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide
    SMILES
    CNS(=O)(=O)CC1=CC2=C(C=C1)NC=C2CCN(C)C
    InChIKey
    KQKPFRSPSRPDEB-UHFFFAOYSA-N
    InChI
    1S/C14H21N3O2S/c1-15-20(18,19)10-11-4-5-14-13(8-11)12(9-16-14)6-7-17(2)3/h4-5,8-9,15-16H,6-7,10H2,1-3H3
    Synonyms
    AVP825 | AVP-825 | AB00698285_15 | Imigran Recovery | HMS2231B21 | Q416978 | Imitrex | AB00698285-12 | AVP 825 | 1-[3...
  11. L-dopa, Agonist of GPR143
    CAS: 59-92-7 EC Number: 200-445-2 Formula: C9H11NO4 Molecular Weight: 197.19
    Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%
    ● In Stock — US Item #: D111049
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
    SMILES
    C1=CC(=C(C=C1CC(C(=O)O)N)O)O
    InChIKey
    WTDRDQBEARUVNC-LURJTMIESA-N
    InChI
    1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1
    Synonyms
    Eldopatec | Insulamina | NSC 118381 | levodopa | LEVODOPA [MART.] | L-o-Hydroxytyrosine | beta-(3,4-Dihydroxyphenyl)a...
  12. Cholecalciferol (D3)
    CAS: 67-97-0 EC Number: 200-673-2 Formula: C27H44O Molecular Weight: 384.64
    Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.
    ● In Stock — US Item #: C105355
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1show more
    SMILES
    CC(C)CCCC(C)C1CCC2C1(CCCC2=CC=C3CC(CCC3=C)O)C
    InChIKey
    QYSXJUFSXHHAJI-YRZJJWOYSA-N
    InChI
    1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-26,28H,3,6-11,14-18H2,1-2,4-5H3/b22-12show more
    Synonyms
    bmse000507 | CHOLECALCIFEROL [EP MONOGRAPH] | Cyclohexanol, 3-((2E)-2-((1R,3aS,7aR)-1-((1R)-1,5-dimethylhexyl)octahyd...
Page
per page
🚚
Fast Shipping Same-day shipping on in-stock items
📋
Technical Details Quality & specification info on every product page
📦
Pack Size Options Multiple packaging sizes with pricing access from listing
🔬
R&D Use Only Products supplied for research and development use

Frequently Asked Questions

How do I choose the right WHO for my synthesis route?
Work backwards from the target structure: identify the bonds you need to form, then pick the WHO entry whose functional groups, protecting-group pattern, and stereochemistry match. Compare purity, available pack sizes, and stability under your reaction conditions before committing to a route.
What does WHO cover?
WHO is a top-level listing in our catalogue. Use the filters and search on the listing page to narrow by the attributes that matter for your work, or browse the neighbouring categories from the main navigation.
What specifications matter most for WHO?
For WHO, purity is the headline figure — 95% or better is a common floor for medicinal chemistry, and higher for late-stage steps. Also check isomeric and stereochemical purity, water content for moisture-sensitive groups, storage temperature, and that the pack size matches your scale. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
What if the WHO I need is not listed?
Search WHO by CAS number or SMILES first — close analogs are often listed under a neighbouring subcategory. If nothing matches, custom synthesis and bulk enquiries go to [email protected]. We supply verified businesses, research institutions, universities, and government agencies.

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.