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Chemical Reagents & Chromatography

Browse our curated selection of Chemical Reagents & Chromatography from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

  
  • (1′s,3s)-(-)-1-(1′-phenylethyl)-5-oxopyrrolidine-3-carboxylic acid (c09-0923-061)
    Add to Cart The item has been added
    I167894-250mg

    (1′S,3S)-(-)-1-(1′-Phenylethyl)-5-oxopyrrolidine-3-carboxylic acid (C007B-192669)

    Price: $55.80
    List Price: $62.00
    (1′S,3S)-(-)-1-(1′-Phenylethyl)-5-oxopyrrolidine-3-carboxylic acid.
    SKUI167894-250mg
    MFR. NameAladdin Scientific
    Catalog No. C007B-192669
    Pack Size 1 EA
    Price:
    Price: $55.80
    List Price: $62.00
    Quantity:
     
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  • (1e 2s 5s)-2-([[tert-butyl(dimethyl)silyl]oxy]methyl)-5-isopropenyl-2-methyl-3-cyclohexen-1-one dimethylhydrazone-1mg
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    T218499-1EA
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT218499-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-294456
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e 3ar 6ar)-3 3a 4 6a-tetrahydro-1(2h)-pentalenone semicarbazone-1mg
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    T169382-1EA

    (1E 3AR 6AR)-3 3A 4 6A-TETRAHYDRO-1(2H)-PENTALENONE SEMICARBAZONE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT169382-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-297521
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e 3ar 8ar)-octahydro-1(2h)-azulenone semicarbazone-1mg
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    T181706-1EA

    (1E 3AR 8AR)-OCTAHYDRO-1(2H)-AZULENONE SEMICARBAZONE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT181706-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-296748
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e 3e)-n n-dimethyl-1 4-diphenyl-1 3-butadiene-1-sulfonamide-1mg
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    T163295-1EA

    (1E 3E)-N N-DIMETHYL-1 4-DIPHENYL-1 3-BUTADIENE-1-SULFONAMIDE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT163295-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-297909
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e 3e)-n n-dimethyl-4-phenyl-1 3-butadiene-1-sulfonamide-1mg
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    T163309-1EA

    (1E 3E)-N N-DIMETHYL-4-PHENYL-1 3-BUTADIENE-1-SULFONAMIDE-1MG

    Price: $100.62
    List Price: $111.79
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT163309-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-297908
    Pack Size 1 MG
    Price:
    Price: $100.62
    List Price: $111.79
    Quantity:
     
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  • (1e 3s)-3-(2-bromoethyl)-4-methyl-1-pentenyl phenyl sulfide-5mg
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    T253405-1EA

    (1E 3S)-3-(2-BROMOETHYL)-4-METHYL-1-PENTENYL PHENYL SULFIDE-5MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT253405-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-292410
    Pack Size 5 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e 4e)-3-benzyl-4-hexenal semicarbazone-1mg
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    T211362-1EA

    (1E 4E)-3-BENZYL-4-HEXENAL SEMICARBAZONE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT211362-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-294876
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e)-(2-ethynylphenyl)ethanal semicarbazone-1mg
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    T175943-1EA

    (1E)-(2-ETHYNYLPHENYL)ETHANAL SEMICARBAZONE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT175943-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-297117
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e)-(2-methylphenyl)ethanal semicarbazone-5mg
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    T181773-1EA

    (1E)-(2-METHYLPHENYL)ETHANAL SEMICARBAZONE-5MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT181773-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-296744
    Pack Size 5 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
    The item has been added
  • (1e)-3 3 6a-trimethyl-3 3a 6 6a-tetrahydro-1(2h)-pentalenone semicarbazone-1mg
    Add to Cart The item has been added
    T172359-1EA

    (1E)-3 3 6A-TRIMETHYL-3 3A 6 6A-TETRAHYDRO-1(2H)-PENTALENONE SEMICARBAZONE-1MG

    Price: $182.82
    List Price: $203.13
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT172359-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-297327
    Pack Size 1 MG
    Price:
    Price: $182.82
    List Price: $203.13
    Quantity:
     
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  • (1e)-3-methyl-3 4 5 6-tetrahydro-1(2h)-pentalenone (2 4-dinitrophenyl)hydrazone-1mg
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    T202606-1EA

    (1E)-3-METHYL-3 4 5 6-TETRAHYDRO-1(2H)-PENTALENONE (2 4-DINITROPHENYL)HYDRAZONE-1MG

    Price: $100.62
    List Price: $111.79
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT202606-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-295467
    Pack Size 1 MG
    Price:
    Price: $100.62
    List Price: $111.79
    Quantity:
     
    The item has been added

About Chemical Reagents & Chromatography

Cenmed Enterprises provides a comprehensive selection of Chemical Reagents & Chromatography products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.

With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.

Frequently Asked Questions

  • What documentation is provided with orders?

    All orders include a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a packing slip. Additional regulatory or compliance documentation can be requested at the time of order for products requiring special handling or import/export certification.

  • What is the minimum order quantity?

    Minimum order quantities vary by product and are listed on each product page. For bulk or custom quantity orders, please contact our sales team at 732-447-1100 or request a quote online for custom pricing.

  • How long does shipping take?

    Standard orders ship within 1–3 business days from our New Jersey distribution center. Expedited and international shipping options are available. Hazardous materials ship in compliance with IATA/DOT regulations and may require additional lead time.

  • Can I return a product?

    We accept returns on non-hazardous, unopened products within 30 days of delivery. Controlled substances, refrigerated items, and custom orders are non-returnable. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • Do you offer volume discounts?

    Yes. Volume pricing is available for most products in our catalog. Contact our sales team or use the "Request a Quote" feature to get custom pricing for your organization based on your annual purchase volume and specific product needs.