
QC Micro-organisms for Reliable Testing
Accu-Bac is a quantitative quality control micro-organism. It is a guaranteed second-generation derivative of NCTC® and NCPF® cultures, manufactured under licence from UK Health Security Agency. Accu-Bac is to be used in an industrial setting.
Each carefully prepared disc will contain a target range of CFU, with 95% confidence interval stated on the Certificate of Analysis. This is ideal for most quantitative applications. Accu-Bac will be supplied in 1-disc vials and has at least a 12-month shelf-life from the date of manufacture.
- Accurate and traceable – Guaranteed second-generation derivative of NCTC® and NCPF® cultures, fully traceable to the original source strain.
- Defined CFU counts – Each disc contains a target CFU range with a 95% confidence interval stated on the Certificate of Analysis.
- Long shelf-life – Minimum 12 months from manufacture (many batches up to 18 months).
- Simple to use – No dilutions required; just follow the quick rehydration instructions.
- Fully compliant testing – Identification and characterisation completed under UKAS accredited scope (UKAS Testing Laboratory No. 2496).
- Certificates of Analysis – Instantly available via our website.
Applications
- Enumerated QC for verifying test results
- Staff training and competency testing
- Proficiency testing
- Method validation and limits of detection testing
- Media quality control
- Sterility testing and cleanroom validation
- Any microbiological method requiring a known number of bacteria
Product Data
| Code | Description | Target CFU Range |
|---|---|---|
| ABXXUL-1 | Accu-Bac Ultra Low | <100 CFU |
| ABXXL-1 | Accu-Bac Low | 50-150 CFU |
| ABXXM-1 | Accu-Bac Medium | 150-500 CFU |
Watch our video for more information
This product is not currently CE marked.
A Test Report for each batch of Accu-Bac can be accessed via this link: Accu-Bac Certificates.
FAQ
"How are Accu-Bac discs stored?"
All Accu-Bac Certificates of Analysis will contain storage conditions. You can download Accu-Bac Quality Certificates here.
"What is the shelf life of Accu-Bac?"
Accu-Bac will be supplied in 1 disc vials and has at least a 12 month shelf-life from the date of manufacture.
"Are Accu-Bac products CE marked?"
This product is not currently CE marked and is for industrial use only.

















