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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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  • p-xylene
    Add to Cart The item has been added
    PHR1314-1G

    P-XYLENE

    Price: $267.54
    List Price: $297.26
    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.
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    SKUPHR1314-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435710
    Pack Size 1 GM
    Price:
    Price: $267.54
    List Price: $297.26
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    Product Information

    Catalog No.
    C005B-435710
    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
    106-42-3
  • padimate o (c15-1852-061)
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    PHR1355-10G

    PADIMATE O (C005B-477568)

    Price: $968.30
    List Price: $1,075.88
    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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    SKUPHR1355-10G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477568
    Pack Size 10 GM
    Price:
    Price: $968.30
    List Price: $1,075.88
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-477568
    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
    21245-02-3
  • parachlorophenol (c15-1850-928)
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    PHR2596-1G

    PARACHLOROPHENOL (C005B-477330)

    Price: $554.79
    List Price: $616.44
    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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    SKUPHR2596-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477330
    Pack Size 1 GM
    Price:
    Price: $554.79
    List Price: $616.44
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-477330
    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
    106-48-9
  • perchloric acid (c15-1279-186)
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    311413-1L

    PERCHLORIC ACID 60% A.C.S. REAGENT (C005B-077535)

    Price: $314.72
    List Price: $349.69
    Other Notes ACS specifications same as product 244252, except for concentration
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    SKU311413-1L
    MFR. NameSigma-Aldrich
    Catalog No. C005B-077535
    Pack Size 1 LI
    Price:
    Price: $314.72
    List Price: $349.69
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-077535
    Description
    Other Notes ACS specifications same as product 244252, except for concentration
    CAS Number
    7601-90-3
  • perchloric acid (c15-1279-188)
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    311413-4X100ML

    PERCHLORIC ACID 60% A.C.S. REAGENT (C005B-077536)

    Price: $346.13
    List Price: $384.59
    Other Notes ACS specifications same as product 244252, except for concentration
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    SKU311413-4X100ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-077536
    Pack Size 400 ML
    Price:
    Price: $346.13
    List Price: $384.59
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-077536
    Description
    Other Notes ACS specifications same as product 244252, except for concentration
    CAS Number
    7601-90-3
  • perchloric acid (c15-1279-189)
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    311413-500ML

    PERCHLORIC ACID 60% A.C.S. REAGENT (C005B-077537)

    Price: $204.69
    List Price: $227.43
    Other Notes ACS specifications same as product 244252, except for concentration
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    SKU311413-500ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-077537
    Pack Size 500 ML
    Price:
    Price: $204.69
    List Price: $227.43
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-077537
    Description
    Other Notes ACS specifications same as product 244252, except for concentration
    CAS Number
    7601-90-3
  • phenylcyclohexylglycolic acid (c15-1850-967)
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    PHR2548-200MG

    PHENYLCYCLOHEXYLGLYCOLIC ACID (C005B-477339)

    Price: $1,453.85
    List Price: $1,615.38
    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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    SKUPHR2548-200MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477339
    Pack Size 200 MG
    Price:
    Price: $1,453.85
    List Price: $1,615.38
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-477339
    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
    4335-77-7
  • pimobendan (c15-1850-533)
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    PHR3084-200MG

    PIMOBENDAN (C005B-434495)

    Price: $1,012.08
    List Price: $1,124.53
    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 Application
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    SKUPHR3084-200MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434495
    Pack Size 200 MG
    Price:
    Price: $1,012.08
    List Price: $1,124.53
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434495
    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
    74150-27-9
  • pravastatin 1 1 3 3-tetramethylbutylamine
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    PHR3406-400MG

    PRAVASTATIN 1 1 3 3-TETRAMETHYLBUTYLAMINE

    Price: $1,152.60
    List Price: $1,280.67
    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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    SKUPHR3406-400MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434258
    Pack Size 400 MG
    Price:
    Price: $1,152.60
    List Price: $1,280.67
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-434258
    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
    151006-14-3
  • pravastatin sodium (c15-1850-259)
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    PHR3407-100MG

    PRAVASTATIN SODIUM (C005B-477221)

    Price: $564.74
    List Price: $627.49
    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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    SKUPHR3407-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477221
    Pack Size 100 MG
    Price:
    Price: $564.74
    List Price: $627.49
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-477221
    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
    81131-70-6
  • prednisolone tebutate (c15-1850-395)
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    PHR3227-500MG

    PREDNISOLONE TEBUTATE (C005B-477243)

    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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    SKUPHR3227-500MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477243
    Pack Size 500 MG
    Price:
    Price: $391.74
    List Price: $435.26
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C005B-477243
    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
    7681-14-3
  • prednisone-21-aldehyde hydrate
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    PHR2288-20MG

    PREDNISONE-21-ALDEHYDE HYDRATE

    Price: $2,445.55
    List Price: $2,717.28
    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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    SKUPHR2288-20MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435047
    Pack Size 20 MG
    Price:
    Price: $2,445.55
    List Price: $2,717.28
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-435047
    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
    70522-55-3
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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