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Pharmaceutical cultures designed to support USP 51 and USP 61/62 testing

We provide pharmaceutical reference cultures designed to support USP 51 and USP 61/62 testing. These high-quality standards help ensure accuracy, reliability, and compliance in pharmaceutical testing laboratories.

  • Complete line of compendial strains for USP 51 and USP 61/62
  • Convenient — each set of microorganisms supplied with 10 vials of sterile peptone buffer
  • Stable — hydrated samples can be used for up to 8 hours
  • No royalty fee added to the invoice

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Qualitative Reference Cultures for USP 51 and USP 61/62

Supplied with sterile hydration fluid, simply add a single sample to the supplied 1.2 mL fluid and mix. Resulting inoculant activity is less than 100 CFU/0.1 mL. Stable for up to 8 hours once hydrated.

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SKU: UD-6017

Unit Dose™ Salmonella abony

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-2599

Unit Dose™ Bacillus cereus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-25922

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-2275

Unit Dose™ Aspergillus brasiliensis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-12697

Unit Dose™ Enterococcus faecalis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-12023

Unit Dose™ Salmonella enterica typhimurium (formerly #UD-14028)

  • CCL
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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-11288

Unit Dose™ Listeria innocua

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-10231

Unit Dose™ Candida albicans

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-10006

Unit Dose™ Enterobacter aerogenes

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 51-0001k

USP 51 Sample Kit

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min; as available
SKU: 51-0012

E. coli NCTC 12923

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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