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Analytical Reference Standards

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

  
  • (20r)-3-oxopregn-4-en-20-yl acetate
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    PHR8939-100MG

    (20R)-3-OXOPREGN-4-EN-20-YL ACETATE

    Price: $1,474.43
    List Price: $1,638.25
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR8939-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433959
    Pack Size 100 MG
    Price:
    Price: $1,474.43
    List Price: $1,638.25
    Quantity:
     
    The item has been added
  • (20s)-3-oxopregn-4-en-20-yl acetate
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    PHR8943-100MG

    (20S)-3-OXOPREGN-4-EN-20-YL ACETATE

    Price: $1,474.43
    List Price: $1,638.25
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR8943-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433957
    Pack Size 100 MG
    Price:
    Price: $1,474.43
    List Price: $1,638.25
    Quantity:
     
    The item has been added
  • 1 3 5(10)-estratrien-3 17beta-diol-6-one
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    PHR2859-25MG

    1 3 5(10)-ESTRATRIEN-3 17BETA-DIOL-6-ONE

    Price: $1,322.87
    List Price: $1,469.85
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR2859-25MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434656
    Pack Size 25 MG
    Price:
    Price: $1,322.87
    List Price: $1,469.85
    Quantity:
     
    The item has been added
  • 2 4 5-t
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    CRM51838-100MG

    2 4 5-T

    Price: $323.86
    List Price: $359.84
    This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 . This CRM is traceable to primary material from an NMI, e.
    SKUCRM51838-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-090872
    Pack Size 100 MG
    Price:
    Price: $323.86
    List Price: $359.84
    Quantity:
     
    The item has been added
  • 2-(1h-imidazol-1-yl)acetic acid
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    PHR2459-50MG

    2-(1H-IMIDAZOL-1-YL)ACETIC ACID

    Price: $1,743.87
    List Price: $1,937.63
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR2459-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434912
    Pack Size 50 MG
    Price:
    Price: $1,743.87
    List Price: $1,937.63
    Quantity:
     
    The item has been added
  • 2-(2-methyl-5-nitro-1h-imidazol-1-yl)acetic acid
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    PHR3331-50MG

    2-(2-METHYL-5-NITRO-1H-IMIDAZOL-1-YL)ACETIC ACID

    Price: $1,852.15
    List Price: $2,057.94
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3331-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434300
    Pack Size 50 MG
    Price:
    Price: $1,852.15
    List Price: $2,057.94
    Quantity:
     
    The item has been added
  • 2-furaldehyde
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    PHR3290-50MG

    2-FURALDEHYDE

    Price: $530.93
    List Price: $589.92
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3290-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434329
    Pack Size 50 MG
    Price:
    Price: $530.93
    List Price: $589.92
    Quantity:
     
    The item has been added
  • 2-methylpentane-2 4-diol
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    PHR3181-250MG

    2-METHYLPENTANE-2 4-DIOL

    Price: $463.32
    List Price: $514.80
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3181-250MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434406
    Pack Size 250 MG
    Price:
    Price: $463.32
    List Price: $514.80
    Quantity:
     
    The item has been added
  • 3-(1-methyl-1h-pyrrol-2-yl)pyridine
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    PHR3061-50MG

    3-(1-METHYL-1H-PYRROL-2-YL)PYRIDINE

    Price: $1,002.91
    List Price: $1,114.35
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3061-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434515
    Pack Size 50 MG
    Price:
    Price: $1,002.91
    List Price: $1,114.35
    Quantity:
     
    The item has been added
  • 4-(2-hydroxyethyl)indolin-2-one
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    PHR3345-100MG

    4-(2-HYDROXYETHYL)INDOLIN-2-ONE

    Price: $1,092.72
    List Price: $1,214.14
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3345-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434296
    Pack Size 100 MG
    Price:
    Price: $1,092.72
    List Price: $1,214.14
    Quantity:
     
    The item has been added
  • 5-nitro-2-furfuraldazine
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    PHR3067-1G

    5-NITRO-2-FURFURALDAZINE

    Price: $1,124.53
    List Price: $1,249.48
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR3067-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434511
    Pack Size 1 GM
    Price:
    Price: $1,124.53
    List Price: $1,249.48
    Quantity:
     
    The item has been added
  • 8-azaspiro[4.5]decane-7 9-dione
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    PHR2847-100MG

    8-AZASPIRO[4.5]DECANE-7 9-DIONE

    Price: $1,008.52
    List Price: $1,120.58
    General description Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Application
    SKUPHR2847-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434667
    Pack Size 100 MG
    Price:
    Price: $1,008.52
    List Price: $1,120.58
    Quantity:
     
    The item has been added

About Analytical Reference Standards

Cenmed Enterprises provides a comprehensive selection of Analytical Reference Standards 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. Please contact our customer service team to initiate a return authorization.

  • 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.