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Standards

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

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  • 3-methylflavone-8-carboxylic acid (c15-1850-319)
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    PHR3317-50MG

    3-METHYLFLAVONE-8-CARBOXYLIC ACID (C005B-477229)

    Price: $1,197.51
    List Price: $1,330.56
    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
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    SKUPHR3317-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477229
    Pack Size 50 MG
    Price:
    Price: $1,197.51
    List Price: $1,330.56
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-477229
    Description
    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
    CAS Number
    572708
  • 3-methylflavone-8-carboxylic acid ethyl ester
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    PHR3592-40MG

    3-METHYLFLAVONE-8-CARBOXYLIC ACID ETHYL ESTER

    Price: $1,446.36
    List Price: $1,607.07
    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
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    SKUPHR3592-40MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434155
    Pack Size 40 MG
    Price:
    Price: $1,446.36
    List Price: $1,607.07
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434155
    Description
    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
    CAS Number
    35888-94-9
  • 3-nitro-4-phenoxy-5-sulfamoylbenzoic acid
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    PHR3391-50MG

    3-NITRO-4-PHENOXY-5-SULFAMOYLBENZOIC ACID

    Price: $1,429.52
    List Price: $1,588.36
    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
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    SKUPHR3391-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434269
    Pack Size 50 MG
    Price:
    Price: $1,429.52
    List Price: $1,588.36
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434269
    Description
    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
    CAS Number
    28328-53-2
  • 3-tert-butyl-4-hydroxyanisole
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    PHR1306-500MG

    3-TERT-BUTYL-4-HYDROXYANISOLE

    Price: $316.82
    List Price: $352.02
    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. 3- tert
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    SKUPHR1306-500MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435718
    Pack Size 500 MG
    Price:
    Price: $316.82
    List Price: $352.02
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-435718
    Description
    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. 3- tert
    CAS Number
    121-00-6
  • 4,4'-difluorobenzophenone (c15-1851-354)
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    PHR2117-200MG

    4 4?-DIFLUOROBENZOPHENONE (C005B-435180)

    Price: $328.10
    List Price: $364.56
    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
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    SKUPHR2117-200MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435180
    Pack Size 200 MG
    Price:
    Price: $328.10
    List Price: $364.56
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-435180
    Description
    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
    CAS Number
    345-92-6
  • 4 4a-dihydrolovastatin
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    PHR2277-100MG

    4 4A-DIHYDROLOVASTATIN

    Price: $1,816.18
    List Price: $2,017.98
    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
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    SKUPHR2277-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435056
    Pack Size 100 MG
    Price:
    Price: $1,816.18
    List Price: $2,017.98
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-435056
    Description
    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
    CAS Number
    77517-29-4
  • 4 5alpha-epoxy-3 14-dihydroxy-17-methylmorphinan-6-one n-oxide
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    PHR8803-50MG

    4 5ALPHA-EPOXY-3 14-DIHYDROXY-17-METHYLMORPHINAN-6-ONE N-OXIDE (C005B-434001)

    Price: $881.29
    List Price: $979.21
    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
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    SKUPHR8803-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434001
    Pack Size 1 EA
    Price:
    Price: $881.29
    List Price: $979.21
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434001
    Description
    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
  • 4 5alpha-epoxy-3-methoxy-17-methylmorphinan-6-one
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    PHR8980-125MG

    4 5ALPHA-EPOXY-3-METHOXY-17-METHYLMORPHINAN-6-ONE

    Price: $391.74
    List Price: $435.26
    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
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    SKUPHR8980-125MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433947
    Pack Size 25 MG
    Price:
    Price: $391.74
    List Price: $435.26
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-433947
    Description
    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
    CAS Number
    125-29-1
  • 4 5alpha-epoxy-3-methoxy-17-methylmorphinan-6-one tartrate (1:1) hydrate (2:5)
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    PHR8981-100MG

    4 5ALPHA-EPOXY-3-METHOXY-17-METHYLMORPHINAN-6-ONE TARTRATE (1:1) HYDRATE (2:5)

    Price: $572.69
    List Price: $636.32
    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
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    SKUPHR8981-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433946
    Pack Size 100 MG
    Price:
    Price: $572.69
    List Price: $636.32
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-433946
    Description
    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
    CAS Number
    34195-34-1
  • 4 5alpha-epoxy-3-methoxy-17-methylmorphinan-6alpha-ol (+)-tartrate
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    PHR8857-200MG

    4 5ALPHA-EPOXY-3-METHOXY-17-METHYLMORPHINAN-6ALPHA-OL (+)-TARTRATE

    Price: $489.17
    List Price: $543.53
    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
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    SKUPHR8857-200MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433988
    Pack Size 200 MG
    Price:
    Price: $489.17
    List Price: $543.53
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-433988
    Description
    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
    CAS Number
    5965-13-9
  • 4'-demethylepipodophyllotoxin
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    PHR3362-20MG

    4'-DEMETHYLEPIPODOPHYLLOTOXIN

    Price: $767.15
    List Price: $852.39
    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
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    SKUPHR3362-20MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434287
    Pack Size 20 MG
    Price:
    Price: $767.15
    List Price: $852.39
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434287
    Description
    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
    CAS Number
    6559-91-7
  • 4-(2-amino-9h-purin-9-yl)-2-(hydroxymethyl)butyl acetate (c15-1850-064)
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    PHR3744-50MG

    4-(2-AMINO-9H-PURIN-9-YL)-2-(HYDROXYMETHYL)BUTYL ACETATE (C005B-434077)

    Price: $1,038.46
    List Price: $1,153.85
    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
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    SKUPHR3744-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434077
    Pack Size 1 EA
    Price:
    Price: $1,038.46
    List Price: $1,153.85
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434077
    Description
    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
Related Categories
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About Standards

Cenmed Enterprises provides a comprehensive selection of 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.

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