SVHC Candidate List Checker
Check CAS or EC numbers against the ECHA SVHC Candidate List. Validates identifier format and flags Substances of Very High Concern.
Group entries without a single CAS number
| Substance | EC | Included | Reason |
|---|---|---|---|
| Tetra(sodium/potassium) 7-[(E)-{2-acetamido-4-[(E)-(4-{[4-chloro-6-({2-[(4-fluoro-6-{[4-(vinylsulfonyl)phenyl]amino}-1,3,5-triazine-2-yl)amino]propyl}amino)-1,3,5-triazine-2-yl]amino}-5-sulfonato-1-naphthyl)diazenyl]-5-methoxyphenyl}diazenyl]-1,3,6-naphthalenetrisulfonate; Reactive Brown 51 | 466-490-7 | 2025-06-25 | Toxic for reproduction (Article 57c) |
| 4,4'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]diphenol and its salts | — | 2026-02-04 | Toxic for reproduction (Article 57c) |
| disodium 4,4'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]diphenolate | 425-060-9 | 2026-02-04 | Toxic for reproduction (Article 57c) |
| N,N-dibutyl-N-methylbutan-1-aminium 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxyphenyl)propan-2-yl]phenolate | 443-330-4 | 2026-02-04 | Toxic for reproduction (Article 57c) |
These Candidate List entries do not have a single CAS number. Where ECHA publishes an EC number, it is supported above.
What this tool checks
Checks
- ✓ CAS number format and CAS check digit
- ✓ EC number format and EC check digit
- ✓ Lookup against the ECHA SVHC Candidate List
- ✓ Substance name, EC number, date of inclusion, reason
Does not check
- ✗ CAS or EC registry existence outside the Candidate List lookup
- ✗ Concentration thresholds (Art. 33: 0.1% w/w)
- ✗ Authorisation List (Annex XIV) or Restriction List (Annex XVII)
- ✗ Substance removals or superseded entries
SVHC tracking turning into manual fire drills?
Rastro's compliance AI agent screens the catalog for candidate list substances, flags Article 33 exposure, and keeps the data current as the list changes.
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