# Understanding DL-Methionine Specifications: A Buyer's Guide to CAS 59-51-8

> The article outlines typical DL-methionine specifications, including purity of at least 98.5% and limits for moisture, chloride, heavy metals, and arsenic. It describes how feed manufacturers and other buyers can use these criteria to assess product quality and supplier suitability.

- Date: 2026-11-08 · published 2026-11-09T00:15:26.154Z
- Category: market · region Global · magnitude low
- Page: https://feedsoft.ai/events/88305-understanding-dl-methionine-specifications-a-buyer-s-guide-to-cas-59-51-8
- Commodities: [Lysine](https://feedsoft.ai/c/LYSINE.md), [Methionine](https://feedsoft.ai/c/METH.md)

## Why it matters

The information may help buyers evaluate methionine quality, but it reports no change in supply, demand, or pricing.

## Sources

- nbinno.com: https://www.nbinno.com/article/amino-acids/dl-methionine-specifications-buyer-guide-cas-59-51-8-xm

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.