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Chemical structure of Echt Brown

GF13812

Echt Brown

Also known as disodium;4-[2-[4,6-dioxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]cyclohex-2-en-1-ylidene]hydrazinyl]naphthalene-1-sulfonate

Echt Brown (catalogue number GF13812) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 5850-16-8. Molecular formula C26H16N4Na2O8S2, molecular weight 622.54. IUPAC name: disodium;4-[2-[4,6-dioxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]cyclohex-2-en-1-ylidene]hydrazinyl]naphthalene-1-sulfonate. Supplied in 3 pack sizes, from 25g at ₪130.53 to 500g at ₪991.18; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS5850-16-8MW622.54FormulaC26H16N4Na2O8S2
CAS number
5850-16-8
Molecular weight
622.54
Formula
C26H16N4Na2O8S2
InChIKey
UTIACSXEVKXHPT-UHFFFAOYSA-L
Catalogue number
GF13812
Brand
GLPBIO
Computed properties PubChem CID 22110 · TPSA 214 Ų · H-bond donors 2 · H-bond acceptors 12
TPSA
214 Ų
H-bond donors
2
H-bond acceptors
12
Rotatable bonds
4
Heavy atoms
42

SMILES C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])NN=C3C=CC(=O)C(=NNC4=CC=C(C5=CC=CC=C54)S(=O)(=O)[O-])C3=O.[Na+].[Na+]

Computed descriptors from PubChem (CID 22110), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.