
GB58260
Direct Red 75
Also listed as Direct Red 75 tetrasodium salt
Direct Red 75 (catalogue number GB58260) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 2829-43-8. Molecular formula C33H22N8Na4O15S4, molecular weight 990.79. IUPAC name: tetrasodium;6-amino-5-[[4-[[4-[(2-amino-8-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl]-3-sulfonatophenyl]carbamoylamino]-2-sulfonatophenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate. Supplied as 5g at ₪505.79; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.
- CAS number
- 2829-43-8
- Molecular weight
- 990.79
- Formula
- C33H22N8Na4O15S4
- InChIKey
- ZXRQHEAKVNYRIS-UHFFFAOYSA-J
- Catalogue number
- GB58260
- Brand
- GLPBIO
Computed properties PubChem CID 135537059 · TPSA 445 Ų · H-bond donors 6 · H-bond acceptors 21
- TPSA
- 445 Ų
- H-bond donors
- 6
- H-bond acceptors
- 21
- Rotatable bonds
- 6
- Heavy atoms
- 64
SMILES C1=CC(=C(C2=C(C=C(C=C21)S(=O)(=O)[O-])O)N=NC3=C(C=C(C=C3)NC(=O)NC4=CC(=C(C=C4)N=NC5=C(C=CC6=CC(=CC(=C65)O)S(=O)(=O)[O-])N)S(=O)(=O)[O-])S(=O)(=O)[O-])N.[Na+].[Na+].[Na+].[Na+]
Computed descriptors from PubChem (CID 135537059), 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.
- Questions
- WhatsApp · +972-55-990-7576 · orders@labo.co.il