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I3136

Sigma-Aldrich

Indo 1 pentapotassium salt

~90% (TLC)

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About This Item

Empirical Formula (Hill Notation):
C32H26K5N3O12
CAS Number:
132319-56-3
Molecular Weight:
840.05
MDL number:
MFCD00077797
UNSPSC Code:
12171500
PubChem Substance ID:
24896023

Assay

~90% (TLC)

storage temp.

−20°C

SMILES string

[K+].[K+].[K+].[K+].[K+].Cc1ccc(N(CC([O-])=O)CC([O-])=O)c(OCCOc2cc(ccc2N(CC([O-])=O)CC([O-])=O)-c3cc4ccc(cc4[nH]3)C([O-])=O)c1

Biochem/physiol Actions

Cell impermeable fluorescent probe for Ca2+; lower affinity than FURA 2; gives a large shift in fluorescent emission from 482 nm to 398 nm upon Ca2+ binding.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

I3136-250UG:
I3136-BULK:
I3136-1MG:
I3136-.5MG:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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B H Lorell et al.
Circulation research, 67(2), 415-425 (1990-08-01)
In studies that attempt to measure intracellular calcium [( Ca2+]i) in the intact heart with the calcium indicator indo 1-AM, a fundamental assumption is that the signals report changes in myocyte [Ca2+]i. We studied isolated perfused rabbit hearts loaded with

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