---
title: "CSP26577 - Isotopes"
ocid: "ocds-h6vhtk-06aff9"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aff9"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aff9.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06aff9.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK RESEARCH AND INNOVATION"
published: "2026-06-08"
---

# CSP26577 - Isotopes

Buyer: UK RESEARCH AND INNOVATION  
Current stage: Award  
OCID: ocds-h6vhtk-06aff9

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06aff9.json)

## Summary

The procurement process for supply of Boron-10 isotopes with UK Research and Innovation (UKRI), headquartered at Polaris House, Swindon, United Kingdom, has reached the award stage. The tender, identified as CSP26577, falls under the industry category of "Heavy water, other isotopes and their compounds" and targets delivery within the UK. This limited competition procurement method has been concluded successfully, with the contract signed on 7th June 2026 and effective from 8th June 2026 till 30th November 2026. The entire contract value is USD 25,555 and has been awarded to ISOFLEX USA. The procurement project was a collaborative exercise involving UK Shared Business Services Ltd as the procuring entity.

This tender presents significant opportunities for businesses specializing in the supply of research-grade, non-radioactive isotopes and related logistics services such as shipping, handling, and insurance. SMEs and companies with expertise in supplying or handling isotopes and complying with high chemical purity standards would be well-placed to participate in similar tenders. Engaging in such procurement exercises enables businesses to enhance their portfolios and establish strong footholds within the central government's supply chain, particularly benefiting those with a focus on innovation-driven scientific sectors.

## Notice

***** THIS IS A CONTRACT DETAILS NOTICE, NOT A CALL FOR COMPETITION ***** This procurement is being concluded following a limited competition procurement exercise. Contract details notice for the supply of Boron-10 (B-10) / Form Carbide (B4C), Enrichment 96.00%, Chemical Purity: 99.00%, Non-Radioactive Material, Research Grade and Shipping, handling and insurance to UKRI

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/053873-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Limited |
| Procurement method details | Below threshold - limited competition |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 8 Jun 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 6 Jun 2026 |
| Contract period | 7 Jun 2026 - 30 Nov 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £25,555 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK RESEARCH AND INNOVATION |
| Additional buyers | UK SHARED BUSINESS SERVICES LTD |
| Locality | SWINDON |
| Post town | Swindon |
| Postcode | SN2 1FL |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK7 Gloucestershire and Wiltshire |
| ITL 3 | TLK71 Swindon |
| Local authority | Swindon |
| Electoral ward | Rodbourne Cheney |
| Westminster constituency | Swindon North |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ISOFLEX USA |

## CPV Codes

### Divisions

- 24 - Chemical products

### Codes

- 24315100 - Heavy water, other isotopes and their compounds

## Release History

- 8 Jun 2026 at 14:02 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/053873-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/053873-2026
  8th June 2026 - Contract details notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.uksbs.co.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06aff9. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06aff9.json.