Indigo Carmine 5,7-Isomer

Name: Indigo Carmine 5,7-Isomer
Brand: Zemixal
SKU: ZX-029940

Reference StandardAvailable on request

Buy Indigo Carmine 5,7-Isomer (CAS 27414-68-2) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes

Indigo Carmine 5,7-Isomer chemical structure

CAS number27414-68-2

FormulaC₁₆H₈N₂Na₂O₈S₂

Molar mass466.4 g/mol

Physical formSolid

HS code38229090

InChIKeyPSSLQRLGCUULDM-UHFFFAOYSA-L

IUPAC namedisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-7-sulfonate

About Indigo Carmine 5,7-Isomer

Indigo Carmine 5,7-Isomer is supplied by Zemixal as a characterised reference material for Indigo Carmine analysis. Key data (Reference Standard): CAS 27414-68-2, formula C16H8N2Na2O8S2 and molar mass 466.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Indigo Carmine

See every impurity, metabolite and related compound we list for this API.

Indigo Carmine standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Indigo Carmine 5,7-Isomer
Product name	Indigo Carmine 5,7-Isomer
Catalogue number	ZX-029940
CAS number	27414-68-2
IUPAC name	disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-7-sulfonate
Molecular formula	C₁₆H₈N₂Na₂O₈S₂
Molar mass	466.4 g/mol
Exact mass	465.9517
Grade	Reference Standard
Physical form	Solid
H-bond donors / acceptors	2 / 9
Topological polar surface area	197 Å²
HS code	38229090
InChIKey	PSSLQRLGCUULDM-UHFFFAOYSA-L
SMILES	C1=CC2=C(C(=C1)S(=O)(=O)[O-])N=C(C2=O)C3=C(C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])O.[Na+].[Na+]
PubChem CID	135565030
Synonyms	Indigo Carmine 5,7-Isomer Disodium, Disodium 2-(1,3-dihydro-3-oxo-7-sulphonato-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonate, Disodium 3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,7'-disulfonate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Indigo Carmine 5,7-Isomer
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Indigo Carmine 5,7-Isomer

Which CAS number identifies Indigo Carmine 5,7-Isomer?

Indigo Carmine 5,7-Isomer is registered under CAS 27414-68-2. You may also see it listed as Indigo Carmine 5,7-Isomer Disodium, Disodium 2-(1,3-dihydro-3-oxo-7-sulphonato-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonate, Disodium 3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,7'-disulfonate. Our catalogue number for this item is ZX-029940.

What are the formula and molar mass of Indigo Carmine 5,7-Isomer?

For Indigo Carmine 5,7-Isomer, its formula is C16H8N2Na2O8S2 and its molar mass is 466.4 g/mol. InChIKey PSSLQRLGCUULDM-UHFFFAOYSA-L lets you match it in any structure database.

How is Indigo Carmine 5,7-Isomer used in pharmaceutical QC?

Indigo Carmine 5,7-Isomer is a characterised reference material linked to Indigo Carmine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Indigo Carmine 5,7-Isomer?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Indigo Carmine 5,7-Isomer?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Indigo Carmine 5,7-Isomer to my country?

Yes. Indigo Carmine 5,7-Isomer ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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