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Turbidity Standards

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

  
  • 1-octadecanethiol for synthesis (c15-1228-149)
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    8144440010

    1-OCTADECANETHIOL FOR SYNTHESIS (C005B-029640)

    Price: $76.71
    List Price: $85.23
    Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Appearance of substance (visual): turbidity Melting range (lower value): &#8805 28 &#176C Melting range (upper value): &#8804 32 &#176C Identity (IR): passes test Due to its specific melting
    SKU8144440010
    MFR. NameSigma-Aldrich
    Catalog No. C005B-029640
    Pack Size 10 GR
    Price:
    Price: $76.71
    List Price: $85.23
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  • 1-octadecanethiol for synthesis (c15-1228-150)
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    8144440050

    1-OCTADECANETHIOL FOR SYNTHESIS (C005B-029641)

    Price: $102.89
    List Price: $114.32
    Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Appearance of substance (visual): turbidity Melting range (lower value): &#8805 28 &#176C Melting range (upper value): &#8804 32 &#176C Identity (IR): passes test Due to its specific melting
    SKU8144440050
    MFR. NameSigma-Aldrich
    Catalog No. C005B-029641
    Pack Size 50 GR
    Price:
    Price: $102.89
    List Price: $114.32
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  • 1-octadecanethiol for synthesis (c15-1228-151)
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    8144440250

    1-OCTADECANETHIOL FOR SYNTHESIS (C005B-029642)

    Price: $231.02
    List Price: $256.69
    Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Appearance of substance (visual): turbidity Melting range (lower value): &#8805 28 &#176C Melting range (upper value): &#8804 32 &#176C Identity (IR): passes test Due to its specific melting
    SKU8144440250
    MFR. NameSigma-Aldrich
    Catalog No. C005B-029642
    Pack Size 250 GR
    Price:
    Price: $231.02
    List Price: $256.69
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  • 1-octadecanethiol for synthesis (c15-1228-152)
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    8144448000

    1-OCTADECANETHIOL FOR SYNTHESIS (C005B-029643)

    Price: $4,334.39
    List Price: $4,815.98
    Analysis Note Assay (GC, area%): &#8805 98.0 % (a/a) Appearance of substance (visual): turbidity Melting range (lower value): &#8805 28 &#176C Melting range (upper value): &#8804 32 &#176C Identity (IR): passes test Due to its specific melting
    SKU8144448000
    MFR. NameSigma-Aldrich
    Catalog No. C005B-029643
    Pack Size 8 KG
    Price:
    Price: $4,334.39
    List Price: $4,815.98
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  • 2-(4-bromo-phenyl)-thiazole-4-carboxylic acid ethyl ester (c09-0769-979)
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    B187680-1g

    2-(4-Bromo-phenyl)-thiazole-4-carboxylic acid ethyl ester (C007B-054878)

    Price: $83.80
    List Price: $93.11
    2-(4-Bromo-phenyl)-thiazole-4-carboxylic acid ethyl ester.
    SKUB187680-1g
    MFR. NameAladdin Scientific
    Catalog No. C007B-054878
    Pack Size 1 EA
    Price:
    Price: $83.80
    List Price: $93.11
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  • 2-thiobarbituric acid reagent for sorbic
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    1081800025

    2-THIOBARBITURIC ACID REAGENT FOR SORBIC

    Price: $287.25
    List Price: $319.17
    Analysis Note Assay (acidimetric calculated on dried substance): &#8805 99 Identity (IR-spectrum): passes test pH-value (1&#8199% water): 1.7 - 1.
    SKU1081800025
    MFR. NameSigma-Aldrich
    Catalog No. C005B-045074
    Pack Size 25 GR
    Price:
    Price: $287.25
    List Price: $319.17
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  • 4-pentenoic anhydride (c15-1254-907)
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    471801-25ML

    4-PENTENOIC ANHYDRIDE 98% (C005B-054499)

    Price: $660.12
    List Price: $733.47
    4-Pentenoic anhydride is a carboxylic anhydride. Application 4-Pentenoic anhydride may be used: In the preparation of glucose functionalized (co)polymers.
    SKU471801-25ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-054499
    Pack Size 25 ML
    Price:
    Price: $660.12
    List Price: $733.47
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  • 4-pentenoic anhydride (c15-1254-908)
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    471801-5ML

    4-PENTENOIC ANHYDRIDE 98% (C005B-054500)

    Price: $238.67
    List Price: $265.19
    4-Pentenoic anhydride is a carboxylic anhydride. Application 4-Pentenoic anhydride may be used: In the preparation of glucose functionalized (co)polymers.
    SKU471801-5ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-054500
    Pack Size 5 ML
    Price:
    Price: $238.67
    List Price: $265.19
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  • ?9-thch (crm)-1 mg
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    34186-1

    ?9-THCH (CRM)-1 mg

    Price: $920.02
    List Price: $1,022.25
    A certified reference material categorized as a phytocannabinoid has been found in a Cannabis variety grown for medicinal purposes intended for research and forensic applications
    SKU34186-1
    MFR. NameCAYMAN CHEMICAL
    Catalog No. C003B-105431
    Pack Size 1 EA
    Price:
    Price: $920.02
    List Price: $1,022.25
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  • aldehydes standard 1000 ug/ml water (low toc, < 50 ppb) 1x1ml
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    ALD-100-1

    Aldehydes Standard 1000 ug/mL water (low TOC, < 50 ppb) 1X1ML

    Price: $116.04
    List Price: $128.93
    Analyte: Acetaldehyde, CAS Number: 75-07-0 Analyte: Formaldehyde, CAS Number: 50-00-0 . EPA, Method: 554 EPA, Method: 8315A.
    SKUALD-100-1
    MFR. NameULTRA SCIENTIFIC
    Catalog No. C003B-486033
    Pack Size 1 EA
    Price:
    Price: $116.04
    List Price: $128.93
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  • amco clear 0.0 ntu turbidity std 250ml
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    85003

    Amco Clear 0.0 NTU Turbidity Std 250mL

    Price: $114.04
    List Price: $126.72
    Our Amco Clear® turbidity standards are traceable to NIST Primary Standards on account of their consistent particle size and photometric accuracy via UV-VIS spectroscopy. Each lot is normalized to historical lots which were formulated to dilu
    SKU85003
    MFR. NameGFS CHEMICALS
    Catalog No. C003B-195052
    Pack Size 1 EA
    Price:
    Price: $114.04
    List Price: $126.72
    Quantity:
     
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  • amco clear turbidity standard, 0.0 ntu, 1 gal
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    85006

    Amco Clear Turbidity Standard, 0.0 NTU, 1 Gal

    Price: $635.79
    List Price: $706.43
    Our Amco Clear® turbidity standards are traceable to NIST Primary Standards on account of their consistent particle size and photometric accuracy via UV-VIS spectroscopy. Each lot is normalized to historical lots which were formulated to dilutions
    SKU85006
    MFR. NameGFS CHEMICALS
    Catalog No. C003B-196157
    Pack Size 1 EA
    Price:
    Price: $635.79
    List Price: $706.43
    Quantity:
     
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About Turbidity Standards

Cenmed Enterprises provides a comprehensive selection of Turbidity 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. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • 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.