Skip to main content
Exclusive Savings: Take 10% OFF All Cenmed Products | Upgrade Your Lab For Less Shop Now
US English

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.

  
  • 4-(2-methylpropyl)benzoic acid (c15-1851-213)
    Add to Cart The item has been added
    PHR2269-100MG

    4-(2-METHYLPROPYL)BENZOIC ACID (C005B-435061)

    Price: $415.60
    List Price: $461.78
    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
    SKUPHR2269-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-435061
    Pack Size 100 MG
    Price:
    Price: $415.60
    List Price: $461.78
    Quantity:
     
    The item has been added
  • tetracaine related compound b (c15-1851-243)
    Add to Cart The item has been added
    PHR2236-50MG

    4-(BUTYLAMINO)BENZOIC ACID (C005B-477372)

    Price: $1,248.02
    List Price: $1,386.69
    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
    SKUPHR2236-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-477372
    Pack Size 50 MG
    Price:
    Price: $1,248.02
    List Price: $1,386.69
    Quantity:
     
    The item has been added
  • 4-(diethylamino)but-2-ynyl-2-hydroxy-2 2-diphenylacetate
    Add to Cart The item has been added
    PHR9095-100MG

    4-(DIETHYLAMINO)BUT-2-YNYL-2-HYDROXY-2 2-DIPHENYLACETATE

    Price: $1,816.18
    List Price: $2,017.98
    General description 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.
    SKUPHR9095-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433898
    Pack Size 100 MG
    Price:
    Price: $1,816.18
    List Price: $2,017.98
    Quantity:
     
    The item has been added
  • 4-[2-hydroxy-3-(isopropylamino)propoxy]benzaldehyde hydrochloride
    Add to Cart The item has been added
    PHR2510-30MG

    4-[2-HYDROXY-3-(ISOPROPYLAMINO)PROPOXY]BENZALDEHYDE HYDROCHLORIDE

    Price: $1,160.08
    List Price: $1,288.98
    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
    SKUPHR2510-30MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434875
    Pack Size 30 MG
    Price:
    Price: $1,160.08
    List Price: $1,288.98
    Quantity:
     
    The item has been added
  • 4-[5-(2 4-dimethylphenyl)-3-(trifluoromethyl)-1h-pyrazol-1-yl]benzenesulfonamide
    Add to Cart The item has been added
    PHR3485-50MG

    4-[5-(2 4-DIMETHYLPHENYL)-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-1-YL]BENZENESULFONAMIDE

    Price: $1,206.86
    List Price: $1,340.96
    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
    SKUPHR3485-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434222
    Pack Size 50 MG
    Price:
    Price: $1,206.86
    List Price: $1,340.96
    Quantity:
     
    The item has been added
  • 4-acetylbenzoic acid
    Add to Cart The item has been added
    PHR2483-100MG

    4-ACETYLBENZOIC ACID

    Price: $868.19
    List Price: $964.66
    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
    SKUPHR2483-100MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434896
    Pack Size 100 MG
    Price:
    Price: $868.19
    List Price: $964.66
    Quantity:
     
    The item has been added
  • 4-amino-1-[(2r 4s 5r)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one
    Add to Cart The item has been added
    PHR3803-50MG

    4-AMINO-1-[(2R 4S 5R)-4-HYDROXY-5-(HYDROXYMETHYL)OXOLAN-2-YL]PYRIMIDIN-2-ONE

    Price: $806.44
    List Price: $896.05
    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
    SKUPHR3803-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434045
    Pack Size 50 MG
    Price:
    Price: $806.44
    List Price: $896.05
    Quantity:
     
    The item has been added
  • 4-chloro-1-isobutyl-1h-imidazo[4 5-c]quinoline
    Add to Cart The item has been added
    PHR2490-50MG

    4-CHLORO-1-ISOBUTYL-1H-IMIDAZO[4 5-C]QUINOLINE

    Price: $1,109.56
    List Price: $1,232.85
    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
    SKUPHR2490-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434891
    Pack Size 50 MG
    Price:
    Price: $1,109.56
    List Price: $1,232.85
    Quantity:
     
    The item has been added
  • 4-chloro-10-[3-(4-methylpiperazin-1-yl)propyl]-10h-phenothiazine dihydrochloride
    Add to Cart The item has been added
    PHR3786-50MG

    4-CHLORO-10-[3-(4-METHYLPIPERAZIN-1-YL)PROPYL]-10H-PHENOTHIAZINE DIHYDROCHLORIDE

    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
    SKUPHR3786-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434059
    Pack Size 50 MG
    Price:
    Price: $1,453.85
    List Price: $1,615.38
    Quantity:
     
    The item has been added
  • 4-cyclohexylbutanoi acid
    Add to Cart The item has been added
    PHR3082-50MG

    4-CYCLOHEXYLBUTANOI ACID

    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
    SKUPHR3082-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434497
    Pack Size 50 MG
    Price:
    Price: $1,092.72
    List Price: $1,214.14
    Quantity:
     
    The item has been added
  • 4-methoxy-7h-furo[3 2-g]chromen-7-one
    Add to Cart The item has been added
    PHR3041-50MG

    4-METHOXY-7H-FURO[3 2-G]CHROMEN-7-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
    SKUPHR3041-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434531
    Pack Size 50 MG
    Price:
    Price: $1,092.72
    List Price: $1,214.14
    Quantity:
     
    The item has been added
  • 4-methyl-2-pentanol
    Add to Cart The item has been added
    PHR3274-3X1.2ML

    4-METHYL-2-PENTANOL

    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
    SKUPHR3274-3X1.2ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-434339
    Pack Size 3 EA
    Price:
    Price: $328.10
    List Price: $364.56
    Quantity:
     
    The item has been added

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.