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Antihistamines or H1 blockers

Browse our curated selection of Antihistamines or H1 blockers from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

  
  • 1 4-dimethoxy-3-nitrobenzene-1g
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    S360783-1G

    1 4-DIMETHOXY-3-NITROBENZENE-1G

    Price: $391.74
    List Price: $435.26
    1 4-DIMETHOXY-3-NITROBENZENE-1G
    SKUS360783-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-369390
    Pack Size 1 EA
    Price:
    Price: $391.74
    List Price: $435.26
    Quantity:
     
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  • 1,6-hexanedithiol (c15-1207-291)
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    H12005-25G

    1 6-HEXANEDITHIOL 96% (C005B-010765)

    Price: $364.61
    List Price: $405.13
    1,6-Hexanedithiol (HDT) is a long chained bi-functional alkanethiol with 6 carbon atoms structured in a zig-zag pattern, which forms a tetrahedral configuration. It is mainly used as a self-assembled monolayer (SAM) as it functionalizes various
    SKUH12005-25G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-010765
    Pack Size 25 GR
    Price:
    Price: $364.61
    List Price: $405.13
    Quantity:
     
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  • 1,6-hexanedithiol (c15-1207-292)
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    H12005-5G

    1 6-HEXANEDITHIOL 96% (C005B-010766)

    Price: $137.02
    List Price: $152.25
    1,6-Hexanedithiol (HDT) is a long chained bi-functional alkanethiol with 6 carbon atoms structured in a zig-zag pattern, which forms a tetrahedral configuration. It is mainly used as a self-assembled monolayer (SAM) as it functionalizes various
    SKUH12005-5G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-010766
    Pack Size 5 GR
    Price:
    Price: $137.02
    List Price: $152.25
    Quantity:
     
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  • 1 kb dna ladder, 50ã¦g / 500ã¦l
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    IB01351

    1 Kb DNA Ladder, 50g / 500L

    Price: $169.24
    List Price: $188.05
    Ready-to-use DNA Ladder (pre-mixed with loading dye) Suitable for sizing double-stranded DNA from 250 bp to 10 Kb with enhanced intensities at 1 Kb and 3 Kb C852A60: Concentration: 2.5 &microg / 25 &microl (Recommended loading: 0.
    SKUIB01351
    MFR. NameIBI SCIENTIFIC
    Catalog No. C003B-010634
    Pack Size 1 EA
    Price:
    Price: $169.24
    List Price: $188.05
    Quantity:
     
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  • 1'-methyl-1'h-(2 3')biquinolinyl-4'-thio ne- 25 mg
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    R429767-1EA

    1'-METHYL-1'H-(2 3')BIQUINOLINYL-4'-THIO NE- 25 MG

    Price: $283.96
    List Price: $315.51
    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.
    SKUR429767-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-417085
    Pack Size 25 MG
    Price:
    Price: $283.96
    List Price: $315.51
    Quantity:
     
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  • 1,1-dichloroethane 1ml
    S-1375

    1,1-DICHLOROETHANE 1mL

    Price: $201.92
    List Price: $224.35
    Single-component standards are available as stock items. They are supplied in methanol, or in another solvent, where appropriate.
    SKUS-1375
    MFR. NameSPEX CERTIPREP
    Catalog No. C003B-434655
    Pack Size 1 EA
    Price:
    Price: $201.92
    List Price: $224.35
    Quantity:
     
  • 1,1-dimethylguanidine sulfate (c09-0841-116)
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    D154660-100g

    1,1-Dimethylguanidine Sulfate (C007B-119341)

    Price: $201.20
    List Price: $223.56
    1,1-Dimethylguanidine sulfate salt has been employed: . as peroxide activator for bleaching cellulosic textiles . in the synthesis of N2,N2-dimethyl-4-(1-methyl-1H-indol-3-yl)pyrimidine-2,5-diamine, substrate for the modified Pictet-Spengler
    SKUD154660-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-119341
    Pack Size 1 EA
    Price:
    Price: $201.20
    List Price: $223.56
    Quantity:
     
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  • 1,1-dimethylguanidine sulfate (c09-0841-117)
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    D154660-1g

    1,1-Dimethylguanidine Sulfate (C007B-119342)

    Price: $19.80
    List Price: $22.00
    1,1-Dimethylguanidine sulfate salt has been employed: . as peroxide activator for bleaching cellulosic textiles . in the synthesis of N2,N2-dimethyl-4-(1-methyl-1H-indol-3-yl)pyrimidine-2,5-diamine, substrate for the modified Pictet-Spengler
    SKUD154660-1g
    MFR. NameAladdin Scientific
    Catalog No. C007B-119342
    Pack Size 1 EA
    Price:
    Price: $19.80
    List Price: $22.00
    Quantity:
     
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  • 1,1-dimethylguanidine sulfate (c09-0841-118)
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    D154660-25g

    1,1-Dimethylguanidine Sulfate (C007B-119343)

    Price: $83.80
    List Price: $93.11
    1,1-Dimethylguanidine sulfate salt has been employed: . as peroxide activator for bleaching cellulosic textiles . in the synthesis of N2,N2-dimethyl-4-(1-methyl-1H-indol-3-yl)pyrimidine-2,5-diamine, substrate for the modified Pictet-Spengler
    SKUD154660-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-119343
    Pack Size 1 EA
    Price:
    Price: $83.80
    List Price: $93.11
    Quantity:
     
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  • 1,1-dimethylguanidine sulfate (c09-0841-119)
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    D154660-500g

    1,1-Dimethylguanidine Sulfate (C007B-119344)

    Price: $562.99
    List Price: $625.54
    1,1-Dimethylguanidine sulfate salt has been employed: . as peroxide activator for bleaching cellulosic textiles . in the synthesis of N2,N2-dimethyl-4-(1-methyl-1H-indol-3-yl)pyrimidine-2,5-diamine, substrate for the modified Pictet-Spengler
    SKUD154660-500g
    MFR. NameAladdin Scientific
    Catalog No. C007B-119344
    Pack Size 1 EA
    Price:
    Price: $562.99
    List Price: $625.54
    Quantity:
     
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  • 1,1-diphenyl-2-picrylhydrazine (c09-0842-270)
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    D155067-1g

    1,1-Diphenyl-2-picrylhydrazine (C007B-120481)

    Price: $164.25
    List Price: $182.50
    1,1-Diphenyl-2-picrylhydrazine.
    SKUD155067-1g
    MFR. NameAladdin Scientific
    Catalog No. C007B-120481
    Pack Size 1 EA
    Price:
    Price: $164.25
    List Price: $182.50
    Quantity:
     
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  • 1,1-diphenyl-2-picrylhydrazine (c09-0842-271)
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    D155067-25g

    1,1-Diphenyl-2-picrylhydrazine (C007B-120482)

    Price: $1,737.85
    List Price: $1,930.95
    1,1-Diphenyl-2-picrylhydrazine.
    SKUD155067-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-120482
    Pack Size 1 EA
    Price:
    Price: $1,737.85
    List Price: $1,930.95
    Quantity:
     
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About Antihistamines or H1 blockers

Cenmed Enterprises provides a comprehensive selection of Antihistamines or H1 blockers 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.