# State contract: Cambridge Isotope Labs Inc. (VA)

> State-procurement record: https://www.xh1b.org/contract/fd484725-bced-4df7-89bb-df875ebbdd66 · [vendor profile](https://www.xh1b.org/org/cambridge-isotope-labs-inc-a5cc7b64bf)

Cambridge Isotope Labs Inc. holds a VA state government contract with Virginia Commonwealth University in Tewksbury, MA. The recorded award value is $1,635.00. It started on Dec 16, 2024.

| Metric | Value |
|---|---|
| Vendor (as filed) | CAMBRIDGE ISOTOPE LABS INC |
| Matched employer record | [CAMBRIDGE ISOTOPE LABS INC](https://www.xh1b.org/org/cambridge-isotope-labs-inc-a5cc7b64bf) |
| Awarding agency | Virginia Commonwealth University |
| State | [VA](https://www.xh1b.org/state-contracts/VA) |
| Award amount | $1635.00 |
| Start date | 2024-12-16 |
| NIGP | 96100 |
| Contract number | 2025_503026 |
| Description (as filed) | NLM46725Ammonium chloride 15N 99 25g |
| Place of performance | [Tewksbury, MA, 01876](https://www.google.com/maps/search/?api=1&query=Tewksbury%2C%20MA%2C%2001876) |
| County (FIPS) | 25017 |
| Source URL | https://data.virginia.gov/dataset/eva-procurement-data-2024 |
| Ingested | 2026-07-13 |

The source run is unresolved. This record does not establish a complete file-to-run chain.

## Other government contracts with this vendor (255 on record)

Page 1 of 32. 255 related source records.

| Contract | Ledger | Date | Recorded value |
| --- | --- | --- | --- |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/a1ee2187-1792-4c59-b8a3-b79178ca7f92) | State · VA | 2026-04-07 | $59.84 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/b84edda7-29b2-4713-8201-63e13f73a34c) | State · VA | 2026-04-07 | $376.50 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/c3bb628b-aec3-4884-8521-da1a3e1b0da1) | State · VA | 2026-04-07 | $120.76 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/268efafa-9881-4166-97db-f30fb080d1c7) | State · VA | 2026-04-06 | $29.92 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/67f1752f-1e27-42be-9bfc-480e30a9c1ba) | State · VA | 2026-04-06 | $1350.00 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/cb7cfb58-2c2d-4fca-ade7-fe6cf3696bd4) | State · VA | 2026-04-06 | $304.14 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/d50146be-018d-4475-9485-1a47005bb559) | State · VA | 2026-03-24 | $299.20 (Award amount) |
| [Virginia Commonwealth University](https://www.xh1b.org/contract/47a6898d-1ed0-4067-9399-4e7cbe64e680) | State · VA | 2026-02-23 | $260.10 (Award amount) |

## More

- Full page (charts, tables, interactive): https://www.xh1b.org/contract/fd484725-bced-4df7-89bb-df875ebbdd66


## References

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<a id="reference-data-dataset-state_contracts-dataset-federal_contracts-indicators-method-indicators-method"></a>

1. XH1B method or registry · XH1B. [State contracts and Connecticut payments: source registry; Reading Public Records and Derived Indicators](https://www.xh1b.org/data-sources). Source registry entry: state_contracts; Reading records: units, source coverage, wage gaps, entity links, and inference limits. XH1B dataset description: State government award and vendor records. Connecticut Open Expenditures records payments, including grants. Payment totals stay separate from contract awards. Record identity fields vary by source; amounts and descriptions do not set identity.; These are the site's review methods, not validated predictions of wrongdoing. Inspect underlying records and alternative explanations.

<a id="reference-data-dataset-state_contracts-dataset-federal_contracts-indicators-method-dataset-federal_contracts"></a>

2. Dataset documentation · USAspending / U.S. Treasury. [Federal Spending Guide: contract transactions](https://www.usaspending.gov/data/Federal-Spending-Guide.pdf#page=9). Pages 3, 5, 9 and 17: transactions, amount fields and recipient identifiers. Contract downloads contain prime award transactions. XH1B’s use of recipient identifiers for employer links is its own processing step. Checked 2026-10-18.