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Escherichia coli WDCM 00090 Vitroids

600-1’400 CFU mean value range, certified reference material, suitable for microbiology, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

E. coli WDCM 00090 Vitroids, Escherichia coli WDCM 00090 Vitroids, Certified reference material, Microbiological standards, E. coli WDCM 00090 Vitroids


certified reference material

Quality Level


ISO 17034
ISO/IEC 17025


disc (hydrosoluble)

shelf life

limited shelf life, expiry date on the label


pack of 10 discs


Manufactured by: Sigma-Aldrich Production GmbH, Switzerland


food and beverages


storage temp.



Escherichia coli
Escherichia spp.

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General description

Escherichia coli WDCM 00090 Vitroids are Certified Microorganisms Standards (Certified Microbiological Reference Materials) which can be used as quantitative and qualitative control organisms. They contain colony forming units (CFUs) in the range of 600-1’400 CFU per disc.The technology allows long-term conservation and renders the organisms resistant to temperature changes. They are intended to be used as daily internal quality control organisms. These microorganisms are certified according to ISO/IEC 17025 and produced under reproducible conditions compliant with ISO 17034 using authenticated strains from CECT®. These ready-to-use microbiological controls minimize the need to maintain control strains in the test laboratory and guarantee an authenticated control culture for every quality control test.Vitroids are derived from a traceable culture obtained freeze-dried from CECT®.


Escherichia coli WDCM 00090 Vitroids are used as reference strains in routine quality control for food, beverage, water, and environmental testing. Additionally, they are excellent for use in method development and validations, as starter cultures, and for use in research studies and educational purposes.

Features and Benefits

  • Ready-to-use at convenient CFU ranges
  • No dilution required
  • Quick rehydration in 10 minutes
  • 2-3 years of shelf life in a standard -20 °C freezer
  • Complete with a comprehensive certificate of analysis
  • No maintenance of stock cultures
  • No recovery time or pre-enrichment step is necessary
  • Robust, efficient, and reliable
  • Easy-to-use
  • Cost-effective

Other Notes

Strain origin: CECT® 515

Other cell culture collections:

  • DSM 30083
  • ATCC® 11775
  • NCTC 9001
  • LMG 2092
  • CIP 54.8T
Click here to access the BacDive database for more info on metabolism, genome, growth media, and more
Please specify if you require a single batch - in the remark field when ordering (only for orders with more than 15 packs)

Legal Information

Derived from CECT® strains
ATCC is a registered trademark of American Type Culture Collection
CECT is a registered trademark of Universitat de Valencia
Vitroids is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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