Water Testing Reference Materials
Water testing reference materials have great importance in assessing the quality and safety of water sources such as lakes, rivers and groundwater - particularly in detecting the presence of contaminants such as harmful chemicals and pathogens. Industry regulations require a global standard for compliance in all water testing reference materials used in the testing processes – a standard that our wide range of high-quality water testing reference materials helps you to meet. Browse our full range below.
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![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh8c%2Fhfa%2F10761572679710%2F13680.png)
- Product Code: DRE-CA14005000
- CAS Number: 16423-19-1
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: (±)-Geosmin
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh37%2Fhf7%2F10761572581406%2F13064.png)
- Product Code: DRE-XA15088400ME
- CAS Number: 2371-42-8
- Brand: Dr. Ehrenstorfer
- Product Format: Single Solution
- Analytes: 2-Methylisoborneol 100 μg/mL
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh8c%2Fhfa%2F10761572679710%2F13680.png)
- Product Code: DRE-XA14005000ME
- CAS Number: 16423-19-1
- Brand: Dr. Ehrenstorfer
- Product Format: Single Solution
- Analytes: (±)-Geosmin
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh03%2Fh1c%2F10761774596126%2F12147.png)
- Product Code: DRE-C15100000
- CAS Number: 115-09-3
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: Methylmercury Chloride
ISO/IEC 17025
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh3e%2Fh7f%2F10561490681886%2F120570.png)
- Product Code: DRE-C14462500
- CAS Number: 68054-73-9
- Brand: Dr. Ehrenstorfer
- Product type: Metabolite
- Product Format: Neat
- Analytes: 2-(Isopropylamino)-5-(phenylamino)cyclohexa-2,5-diene-1,4-dione (IPPD-Quinone)
ISO/IEC 17025
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh36%2Fha8%2F10698427957278%2F68453.png)
- Product Code: DRE-C15115300
- CAS Number: 2754428-18-5
- Brand: Dr. Ehrenstorfer
- Product type: Metabolite
- Product Format: Neat
- Analytes: 2-((4-Methylpentan-2-yl)amino)-5-(phenylamino)cyclohexa-2,5-diene-1,4-dione
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh1f%2Fhed%2F10692480106526%2F68912.png)
- Product Code: DRE-C15115310
- CAS Number: 2750119-14-1
- Brand: Dr. Ehrenstorfer
- Product type: Stable Isotope Labelled, Metabolite
- Product Format: Neat
- Analytes: 2-((4-Methylpentan-2-yl)amino)-5-(phenylamino)cyclohexa-2,5-diene-1,4-dione D5 (Aniline D5)
ISO/IEC 17025
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh73%2Fhec%2F10761001500702%2F13825.png)
- Product Code: DRE-C15710000
- CAS Number: 29082-74-4
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: Octachlorostyrene
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh8c%2Fhfa%2F10761572679710%2F13680.png)
- Product Code: DRE-LA14005000ME
- CAS Number: 16423-19-1
- Brand: Dr. Ehrenstorfer
- Product Format: Single Solution
- Analytes: (±)-Geosmin
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh49%2Fh63%2F10569717448734%2F120571.png)
- Product Code: DRE-C11830505
- CAS Number: 68054-78-4
- Brand: Dr. Ehrenstorfer
- Product type: Metabolite
- Product Format: Neat
- Analytes: 2-(Cyclohexylamino)-5-(phenylamino)cyclohexa-2,5-diene-1,4-dione (CPPD-Quinone)
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fhe0%2Fh65%2F10558156275742%2F129035.png)
- Product Code: DRE-C10931735
- CAS Number: 871-58-9
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Regulatory Method: HJ 756-2015, HJ 1002-2018, HJ 896-2017
- Analytes: Potassium (Butoxycarbonothioyl)sulfide
ISO/IEC 17025
Short shelf life. Check that the expiry date is fit for your purposes.
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fhb2%2Fhff%2F10700362940446%2F16066.png)
- Product Code: DRE-C16584000
- CAS Number: 333-93-7
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: Putrescine dihydrochloride
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fha6%2Fh29%2F10687754272798%2F4434.png)
- Product Code: DRE-C10013700
- CAS Number: 103-84-4
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: N-Phenylacetamide
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh0c%2Fh58%2F10519695753246%2F68967.png)
- Product Code: DRE-C10651932
- CAS Number: 3081-14-9
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: N,N'-Bis(1,4-dimethylpentyl)-p-phenylenediamine (77PD)
ISO/IEC 17025
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh41%2Fh3d%2F10700110659614%2F685.png)
- Product Code: DRE-C17594650
- CAS Number: 88-19-7
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: Toluene-2-sulfonamide
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fhc0%2Fhf7%2F10761658499102%2F11356.png)
- Product Code: DRE-YA11348500MB
- CAS Number: 79-11-8
- Brand: Dr. Ehrenstorfer
- Product Format: Single Solution
- Analytes: Chloroacetic acid ≥1000 μg/mL
ISO/IEC 17025
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fhcf%2Fh35%2F10558099718174%2F68970.png)
- Product Code: DRE-C11830640
- CAS Number: 101-87-1
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: N-Cyclohexyl-N'-phenyl-p-phenylenediamine (CPPD)
ISO 17034
![](https://assets.lgcstandards.com/sys-master%2Fimages%2Fh72%2Fh0a%2F10564180803614%2F68098.png)
- Product Code: DRE-C12726270
- CAS Number: 793-24-8
- Brand: Dr. Ehrenstorfer
- Product Format: Neat
- Analytes: N-(1,3-Dimethylbutyl)-N'-phenyl-1,4-phenylenediamine
ISO/IEC 17025
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