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Calibration Standards

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

  
  • (-)-iberin (c09-0925-457)
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    I275605-25mg

    (-)-Iberin (C007B-195012)

    Price: $707.72
    List Price: $786.35
    Store at -20°C. Store under desiccating conditions. The product can be stored for up to 12 months.
    SKUI275605-25mg
    MFR. NameAladdin Scientific
    Catalog No. C007B-195012
    Pack Size 1 EA
    Price:
    Price: $707.72
    List Price: $786.35
    Quantity:
     
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  • 000000001090110500 nessler's reagent a for determination of
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    1090110500

    000000001090110500 NESSLER'S REAGENT A FOR DETERMINATION OF

    Price: $409.04
    List Price: $454.49
    000000001090110500 NESSLER'S REAGENT A FOR DETERMINATION OF
    SKU1090110500
    MFR. NameSigma-Aldrich
    Catalog No. C005B-496070
    Pack Size 1 EA
    Price:
    Price: $409.04
    List Price: $454.49
    Quantity:
     
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  • 1,2,4,5-tetrachloro-3-nitrobenzene
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    40384-1G

    1 2 4 5-TETRACHLORO-3-NITROBENZENE

    Price: $451.39
    List Price: $501.55
    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.
    SKU40384-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-010082
    Pack Size 1 GR
    Price:
    Price: $451.39
    List Price: $501.55
    Quantity:
     
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  • 1-decanol for synthesis 100 ml
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    8034630100

    1-DECANOL FOR SYNTHESIS 100 ML

    Price: $124.46
    List Price: $138.28
    Analysis Note Assay (GC, area%): &#8805 99.0 % (a/a) Density (d 20&#8199&#176C/ 4&#8199&#176C): 0.
    SKU8034630100
    MFR. NameSigma-Aldrich
    Catalog No. C005B-009051
    Pack Size 100 ML
    Price:
    Price: $124.46
    List Price: $138.28
    Quantity:
     
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  • 1-methylethyl 4-methyl-3-[[(2rs)-2-(propylamino)-propanoyl]amino]thiophene-2-carboxylate hydrochloride
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    PHR9153-50MG

    1-METHYLETHYL 4-METHYL-3-[[(2RS)-2-(PROPYLAMINO)-PROPANOYL]AMINO]THIOPHENE-2-CARBOXYLATE HYDROCHLORIDE

    Price: $330.09
    List Price: $366.77
    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.
    SKUPHR9153-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433877
    Pack Size 1 EA
    Price:
    Price: $330.09
    List Price: $366.77
    Quantity:
     
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  • 2-(4-tert-butyl-3-hydroxy-2 6-dimethylphenyl)acetonitrile
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    PHR9161-50MG

    2-(4-TERT-BUTYL-3-HYDROXY-2 6-DIMETHYLPHENYL)ACETONITRILE

    Price: $969.23
    List Price: $1,076.92
    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.
    SKUPHR9161-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433870
    Pack Size 50 MG
    Price:
    Price: $969.23
    List Price: $1,076.92
    Quantity:
     
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  • 2-mercaptopyridine, 98%  100g
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    215255-100G

    2-Mercaptopyridine, 98% 100g

    Price: $1,015.69
    List Price: $1,128.55
    CAS: 2637-34-5 EC No: 220-131-9 MDL No: MFCD00006285 RTECS: UT9600000 Powder Molecular Formula: C<sub>5</sub>H<sub>5</sub>NS MW: 111.16 Melting Point: 127-130&deg
    SKU215255-100G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-347469
    Pack Size 1 EA
    Price:
    Price: $1,015.69
    List Price: $1,128.55
    Quantity:
     
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  • 2-mercaptopyridine, 98%  25g
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    215255-25G

    2-Mercaptopyridine, 98% 25g

    Price: $327.46
    List Price: $363.84
    CAS: 2637-34-5 EC No: 220-131-9 MDL No: MFCD00006285 RTECS: UT9600000 Powder Molecular Formula: C<sub>5</sub>H<sub>5</sub>NS MW: 111.16 Melting Point: 127-130&deg
    SKU215255-25G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-342809
    Pack Size 1 EA
    Price:
    Price: $327.46
    List Price: $363.84
    Quantity:
     
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  • 2-mercaptopyridine, 98%  5g
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    215255-5G

    2-Mercaptopyridine, 98% 5g

    Price: $154.30
    List Price: $171.44
    CAS: 2637-34-5 EC No: 220-131-9 MDL No: MFCD00006285 RTECS: UT9600000 Powder Molecular Formula: C<sub>5</sub>H<sub>5</sub>NS MW: 111.16 Melting Point: 127-130&deg
    SKU215255-5G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-339099
    Pack Size 1 EA
    Price:
    Price: $154.30
    List Price: $171.44
    Quantity:
     
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  • 3-[(1-methylethyl)amino]-1 2-propanediol
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    PHR9192-50MG

    3-[(1-METHYLETHYL)AMINO]-1 2-PROPANEDIOL

    Price: $961.75
    List Price: $1,068.61
    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.
    SKUPHR9192-50MG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-433848
    Pack Size 50 MG
    Price:
    Price: $961.75
    List Price: $1,068.61
    Quantity:
     
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  • 3-benzoylpyridin 25 g
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    8438510025

    3-BENZOYLPYRIDIN 25 G

    Price: $325.27
    List Price: $361.41
    for synthesis Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Melting range (lower value): &#8805 36 &#176C Melting range (upper value): &#8804 40 &#176C Identity (IR): passes test
    SKU8438510025
    MFR. NameSigma-Aldrich
    Catalog No. C005B-047792
    Pack Size 25 GR
    Price:
    Price: $325.27
    List Price: $361.41
    Quantity:
     
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  • 4 4'-ddt 1x1ml 5000ug/ml methanol
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    40124

    4 4'-DDT 1X1ML 5000UG/ML METHANOL

    Price: $176.54
    List Price: $196.15
    Application Refer to the product&#8242s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
    SKU40124
    MFR. NameSigma-Aldrich
    Catalog No. C005B-044995
    Pack Size 1 ML
    Price:
    Price: $176.54
    List Price: $196.15
    Quantity:
     
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About Calibration Standards

Cenmed Enterprises provides a comprehensive selection of Calibration 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.