# Sigma-Aldrich

**Canonical:** https://apis.io/providers/sigma-aldrich/  
**Website:** https://www.sigmaaldrich.com/  
**APIs profiled:** 6

Sigma-Aldrich was a leading life science and high technology company whose biochemical and organic chemical products, kits, and services are used in scientific research, including genomics, proteomics, and drug discovery. Acquired by Merck KGaA in 2015, Sigma-Aldrich now operates as part of MilliporeSigma in North America and Merck in other regions, continuing to provide the world's largest catalog of research chemicals, biochemicals, laboratory equipment, and life science products to researchers globally.

## Kin Score — 32.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 32.8).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 68.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Health**: 21.3 (matched via tags).

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Enterprise · Self-serve signup — onboarding: self-serve, pricing: enterprise, trial: no (confidence: high).

## APIs (6)

- **Sigma-Aldrich Chemical Structure Search API** — The Sigma-Aldrich Chemical Structure Search API enables substructure, exact structure, and similarity searches against the Sigma-Aldrich chemical catalog using SMILES, InChI, or...
- **Sigma-Aldrich Safety Data Sheet API** — The Safety Data Sheet (SDS) API provides programmatic access to GHS- compliant Safety Data Sheets for all Sigma-Aldrich chemical products. Enables EHS systems, LIMS platforms, a...
- **Sigma-Aldrich Pricing and Availability API** — Real-time pricing and global stock availability for Sigma-Aldrich products.
- **Sigma-Aldrich Products API** — Product catalog search and retrieval for research chemicals, biochemicals, and laboratory supplies.
- **Sigma-Aldrich Safety Data Sheets API** — Retrieval of GHS-compliant Safety Data Sheets for regulatory compliance and laboratory safety management.
- **Sigma-Aldrich Structures API** — Chemical structure search using SMILES, InChI, or molecular formula notation for cheminformatics workflows.

## Agentic access (1)

- **Sigma Aldrich Agentic Access** — 6 operations · 1 acting

## Security (2)

- **Sigma Aldrich Authentication** — apiKey · 1 scheme
- **Sigma Aldrich Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Sigma Aldrich Plans Pricing**

## Tags

Life Science, Chemistry, Biochemistry, Laboratory, Research, Chemical Catalog

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/sigma-aldrich/). Scores are computed from the provider's own public artifacts under a published rubric.