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    NorrChemica — Chemicals & Analysis, Helsinki
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    • Chemical structure of CPM (7-diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin), CAS 76877-33-3, ≥98% — a thiol-reactive coumarin maleimide, near-non-fluorescent until Michael addition of a cysteine thiol switches on blue emission, used for thiol quantification, protein labelling and membrane-protein thermal-stability assays. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      CPM | CAS 76877-33-3 | ≥98%

      CPMCAS 76877-33-3 · ≥98%

      Regular price From €229,20 (incl. VAT)
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    • Chemical structure of Uracil, CAS 66-22-8, ≥99% — natural pyrimidine nucleobase used as an RNA building block in oligonucleotide synthesis, nucleoside chemistry, and as a reference standard for nucleic acid and base-pairing research. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Uracil | CAS 66-22-8 | ≥99%

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      UracilCAS 66-22-8 · ≥99%

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    • Chemical structure of TEMPO (2,2,6,6-tetramethylpiperidine 1-oxyl), CAS 2564-83-2, ≥97% — stable nitroxide radical used as a selective catalytic oxidant converting primary alcohols to aldehydes and carboxylic acids, as a radical trap and polymerisation inhibitor, as a mediator in nitroxide-mediated polymerisation, as a spin label in EPR, and in the preparation of TEMPO-oxidised cellulose nanofibrils. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      TEMPO | CAS 2564-83-2 | ≥97%

      TEMPOCAS 2564-83-2 · ≥97%

      Regular price From €69,20 (incl. VAT)
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    • Chemical structure of 5-(Benzylthio)-1H-tetrazole (BTT, 5-benzylmercaptotetrazole), C₈H₈N₄S, CAS 21871-47-6, ≥98% — activator for the phosphoramidite coupling step in solid-phase oligonucleotide synthesis, used in place of 1H-tetrazole. It is used for RNA synthesis with 2'-O-TBDMS or TOM-protected monomers and for DNA synthesis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      5-(Benzylthio)-1H-tetrazole (BTT) | CAS 21871-47-6 | ≥98%

      5-(Benzylthio)-1H-tetrazole (BTT)CAS 21871-47-6 · ≥98%

      Regular price From €74,20 (incl. VAT)
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    • Chemical structure of Adenosine, CAS 58-61-7, ≥98% — purine ribonucleoside and RNA building block; adenine linked to D-ribose. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Adenosine | CAS 58-61-7 | ≥98%

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      AdenosineCAS 58-61-7 · ≥98%

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    • Chemical structure of 4-Chlorophenylboronic Acid, CAS 1679-18-1, ≥98% — para-chloro-substituted arylboronic acid used in Pd-catalysed Suzuki-Miyaura coupling, Cu Chan-Lam C–N/C–O coupling, Rh/Ni conjugate additions, and photoredox arylation in pharma/materials synthesis, with the chloro handle valuable as a synthetic latch for further cross-coupling. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.​​​​​​​​​​​​​​​​

      4-Chlorophenylboronic Acid | CAS 1679-18-1 | ≥98%

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      4-Chlorophenylboronic AcidCAS 1679-18-1 · ≥98%

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    • Chemical structure of N3-Benzoyluracil (3-benzoyluracil), CAS 2775-87-3, 98% — N3-benzoyl-protected uracil, a base-labile building block for nucleoside and oligonucleotide synthesis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      N3-Benzoyluracil | CAS 2775-87-3 | ≥98%

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      N3-BenzoyluracilCAS 2775-87-3 · ≥98%

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    • Chemical structure of Sulfo-NHS sodium salt (sodium 1-hydroxy-2,5-dioxopyrrolidine-3-sulfonate), CAS 106627-54-7, ≥97% — an N-hydroxysuccinimide (NHS) ring carrying a 3-sulfonate as its sodium salt (C4H4NNaO6S). The sulfonate gives direct water solubility; with the carbodiimide EDC it converts carboxylic acids to stable, amine-reactive sulfo-NHS esters that couple to primary amines, for efficient bioconjugation, crosslinking, labeling and immobilization. Supplied by NorrChemica with DDP shipping. CoA & SDS

      Sulfo-NHS sodium salt | CAS 106627-54-7 | ≥97%

      Sulfo-NHS sodium saltCAS 106627-54-7 · ≥97%

      Regular price From €34,20 (incl. VAT)
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    • Chemical structure of N1-Acetylthymine, CAS 13251-16-6, ≥99% — N1-acylated thymine derivative used as a protected nucleobase building block in oligonucleotide synthesis, regioselective N1 vs N3 functionalization studies, and as a synthetic intermediate in nucleoside chemistry. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      N1-Acetylthymine | CAS 13251-16-6 | ≥99%

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      N1-AcetylthymineCAS 13251-16-6 · ≥99%

      Regular price From €49,80 (incl. VAT)
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    • Chemical structure of CDT (1,1'-carbonyldi(1,2,4-triazole); bis(1,2,4-triazol-1-yl)methanone), CAS 41864-22-6, 95% — carbonylating/coupling reagent (C5H4N6O), the 1,2,4-triazole analogue of CDI (carbonyldiimidazole), in which a carbonyl bridges two triazol-1-yl groups. Used to activate carboxylic acids as acyl-triazole intermediates for amide and ester formation, and as a phosgene-free reagent for the synthesis of ureas and carbamates. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      CDT | 1,1'-Carbonyldi(1,2,4-triazole) | CAS 41864-22-6 | ≥95%

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      CDT1,1'-Carbonyldi(1,2,4-triazole) · CAS 41864-22-6 · ≥95%

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    • Chemical structure of NiCl₂(PPh₃)₂ (dichlorobis(triphenylphosphine)nickel(II), C₃₆H₃₀Cl₂NiP₂), CAS 14264-16-5, ≥98% — a tetrahedral nickel(II) phosphine complex used as a catalyst precursor in nickel-catalysed cross-coupling: Suzuki–Miyaura coupling of aryl chlorides with arylboronic acids, Negishi coupling, and the arylation of diarylamines to triarylamines. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      NiCl₂(PPh₃)₂ | CAS 14264-16-5 | ≥98%

      NiCl₂(PPh₃)₂CAS 14264-16-5 · ≥98%

      Regular price From €79,20 (incl. VAT)
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    • Chemical structure of Tris Base, CAS 77-86-1, ≥ 99.0% — for buffer solution preparation and biochemical research applications. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Tris Base | CAS 77-86-1 | ≥99.0%

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      Tris BaseCAS 77-86-1 · ≥99.0%

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    • Chemical structure of PIDA ((diacetoxyiodo)benzene, phenyliodine(III) diacetate), CAS 3240-34-4, ≥97% — hypervalent λ³-iodane (C10H11IO4, 322.10) bearing two acetoxy groups on iodine. Used as a mild oxidant for alcohol and phenol oxidation, Hofmann-type rearrangements, α-functionalisation of ketones, and as the terminal oxidant in C–H amination and iodine(III) catalysis. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      PIDA ((Diacetoxyiodo)benzene) | CAS 3240-34-4 | ≥97%

      PIDA ((Diacetoxyiodo)benzene)CAS 3240-34-4 · ≥97%

      Regular price From €29,30 (incl. VAT)
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    • Chemical structure of D-Tryptophan, CAS 153-94-6, ≥98.0% — unnatural D-enantiomer amino acid building block for chiral synthesis and D-peptide chemistry. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      D-Tryptophan | CAS 153-94-6 | ≥98%

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      D-TryptophanCAS 153-94-6 · ≥98%

      Regular price From €27,20 (incl. VAT)
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    • Chemical structure of HONB (N-hydroxy-5-norbornene-2,3-dicarboximide), CAS 21715-90-2, 98% — N-hydroxyimide peptide-coupling additive (C9H9NO3) built on a norbornene-fused dicarboximide with a reactive N-OH. Used with carbodiimides such as DCC to form HONB active esters of carboxylic acids for amide and peptide bond formation, where it suppresses racemization and inhibits N-acylurea byproduct formation. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      HONB (N-Hydroxynorbornene Dicarboximide) | CAS 21715-90-2 | ≥98%

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      HONB (N-Hydroxynorbornene Dicarboximide)CAS 21715-90-2 · ≥98%

      Regular price From €49,20 (incl. VAT)
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    • Chemical structure of EEDQ (N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline), CAS 16357-59-8, ≥95% — the classic Belleau amide coupling reagent (C14H17NO3), a substituted 1,2-dihydroquinoline. It reacts specifically with carboxylic acids, forming a mixed anhydride that couples acyl amino acids with amino esters to amides in high yield and without racemization, in one step for solution- or solid-phase peptide synthesis and bioconjugation. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      EEDQ | CAS 16357-59-8 | ≥95%

      EEDQCAS 16357-59-8 · ≥95%

      Regular price From €29,20 (incl. VAT)
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    • Chemical structure of MOPS (3-(N-Morpholino)propanesulfonic acid), CAS 1132-61-2, certified ≥99.0% — zwitterionic Good’s buffer with pKa 7.2 widely used in cell culture, electrophoresis, and protein purification at near-physiological pH. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      MOPS | CAS 1132-61-2 | ≥99.0%

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      MOPSCAS 1132-61-2 · ≥99.0%

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    • Chemical structure of PyBOP, CAS 128625-52-5, ≥98% — benzotriazol-1-yloxy tripyrrolidinophosphonium hexafluorophosphate peptide coupling reagent providing a phosphonium-mediated alternative to aminium-type HBTU and HATU activation, avoiding guanidinium capping side reactions in long peptide sequences, sterically hindered and N-methylated amino acid couplings, and macrocyclization in solid-phase peptide synthesis (SPPS) and bioconjugation. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      PyBOP | CAS 128625-52-5 | ≥98%

      PyBOPCAS 128625-52-5 · ≥98%

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    • Chemical structure of BrettPhos Pd G4, CAS 1599466-83-7, ≥98% — a fourth-generation Buchwald precatalyst pairing the bulky BrettPhos ligand with an N-methyl aminobiphenyl palladacycle, which on base activation releases the monoligated LPd(0) species together with N-methylcarbazole, used for Buchwald-Hartwig amination and C-N coupling of primary amines and amides. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      BrettPhos Pd G4 | CAS 1599466-83-7 | ≥98%

      BrettPhos Pd G4CAS 1599466-83-7 · ≥98%

      Regular price From €29,20 (incl. VAT)
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    • Chemical structure of 2,2'-Bipyridine (2,2'-bipyridyl, bpy; 2,2'-dipyridyl), CAS 366-18-7, ≥97% — bidentate N,N-chelating ligand (C10H8N2) whose adjacent pyridine nitrogens bind a metal in a five-membered chelate ring. Used to build luminescent and redox-active transition-metal complexes (Ru, Fe, Cu, Ir) for photoredox catalysis and cross-coupling, as a ferroin-type redox indicator, and for the colorimetric determination of iron. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      2,2′-Bipyridine | CAS 366-18-7 | ≥97%

      2,2′-BipyridineCAS 366-18-7 · ≥97%

      Regular price From €24,90 (incl. VAT)
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    • Chemical structure of Pd2(dba)3 (tris(dibenzylideneacetone)dipalladium(0)), CAS 51364-51-3, ≥98% — a Pd(0) source in which three dibenzylideneacetone ligands bridge two palladium centres through their alkene bonds, used as pre-catalyst for Suzuki-Miyaura, Heck, Stille, Negishi and Buchwald-Hartwig couplings and Tsuji-Trost allylation. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Pd₂(dba)₃ | CAS 51364-51-3 | ≥98%

      Pd₂(dba)₃CAS 51364-51-3 · ≥98%

      Regular price From €29,20 (incl. VAT)
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    • Chemical structure of 2-Fluorophenylboronic Acid, CAS 1993-03-9, ≥98% — electron-poor ortho-fluoro arylboronic acid used in Pd-catalysed Suzuki-Miyaura coupling, Cu Chan-Lam C–N/C–O coupling, Rh/Ni conjugate additions, and photoredox arylation in pharma/materials synthesis, with the ortho-fluorine handle valuable for tuning lipophilicity, blocking metabolic oxidation, and ¹⁹F NMR studies in medicinal chemistry. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      2-Fluorophenylboronic Acid | CAS 1993-03-9 | ≥98%

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      2-Fluorophenylboronic AcidCAS 1993-03-9 · ≥98%

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    • Chemical structure of Tricine (N-[tris(hydroxymethyl)methyl]glycine), CAS 5704-04-1, 98% — zwitterionic Good's biological buffer (C6H13NO5), a tris(hydroxymethyl)methyl group linked to a glycine, drawn as the zwitterion. With a pKa of ~8.1 it buffers over pH 7.4-8.8 and is widely used in Tricine-SDS-PAGE to resolve low-molecular-weight proteins/peptides (1-100 kDa), in electrophoresis and firefly-luciferase ATP assays. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Tricine | CAS 5704-04-1 | ≥98%

      TricineCAS 5704-04-1 · ≥98%

      Regular price From €34,20 (incl. VAT)
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    • Chemical structure of Pyridin-3-ylboronic Acid, CAS 1692-25-7, ≥95% — heteroaromatic pyridine-3 boronic acid used in Pd-catalysed Suzuki-Miyaura coupling, Cu Chan-Lam C–N/C–O coupling, Rh/Ni conjugate additions, and photoredox arylation in pharma/materials synthesis, with the 3-pyridyl scaffold privileged in medicinal chemistry, kinase inhibitor design, GPCR ligands, and agrochemical research. Supplied by NorrChemica with DDP shipping. CoA and SDS provided.

      Pyridin-3-ylboronic Acid | CAS 1692-25-7 | ≥95%

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      Pyridin-3-ylboronic AcidCAS 1692-25-7 · ≥95%

      Regular price From €43,20 (incl. VAT)
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