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Guide on the application of REACH Regulation

SUBSTANCE IDENTIFICATION 03
AND ARTICLES

3.1 ■ In order to successfully complete registration and effectively participate in the right
SIEF, Substance identification is very critical

■ Erroneous substance identification may lead to confusion about correct SIEF and may
affect costs involved. This may also lead to difficulties with concerned Consortia’s

■ Substance equivalence review shall be an important part before joining the correct
SIEF

Requirements for Substance identification:

Name / Identifier

Name / Identifier Molecular/ Structural identity Exact composition

- IUPAC name - Molecular formula - Degree of purity
- Trivial name - Structural formula - Nature &
- CAS No. - Smiles notation
- EINECS No - Optical activity percentage of
- ELINCS No - Stereoisomer ratio impurities /
- C.I. name/No. - Molecular weight bye-products
- HS Code - Additives – nature /
- Any other identity range / distribution magnitude
- Spectral data

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