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Safety Information

I3261

Sigma-Aldrich

Indo 1-AM

93 - 100% purity

Synonym(s):

4-(6-Carboxy-2-indolyl)-4′-methyl-2,2′-(ethylenedioxy)dianiline-N,N,N′,N′-tetraacetic acid tetrakis(acetoxymethyl) ester

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About This Item

Empirical Formula (Hill Notation):
C47H51N3O22
CAS Number:
112926-02-0
Molecular Weight:
1009.91
MDL number:
MFCD00036955
UNSPSC Code:
12171500
PubChem Substance ID:
24896026

Product Name

Indo 1-AM, ~95% (HPLC)

Assay

~95% (HPLC)

Quality Level

100

fluorescence

λex 330 nm; λem 450 nm (with Calcium)
λex 356 nm; λem 478 nm in methanol

storage temp.

−20°C

SMILES string

CC(=O)OCOC(=O)CN(CC(=O)OCOC(C)=O)c1ccc(C)cc1OCCOc2cc(ccc2N(CC(=O)OCOC(C)=O)CC(=O)OCOC(C)=O)-c3cc4ccc(cc4[nH]3)C(=O)OCOC(C)=O

InChI

1S/C47H51N3O22/c1-28-7-11-39(49(19-43(56)68-23-63-29(2)51)20-44(57)69-24-64-30(3)52)41(15-28)61-13-14-62-42-18-35(37-16-34-8-9-36(17-38(34)48-37)47(60)72-27-67-33(6)55)10-12-40(42)50(21-45(58)70-25-65-31(4)53)22-46(59)71-26-66-32(5)54/h7-12,15-18,48H,13-14,19-27H2,1-6H3

InChI key

CAWBRCOBJNWRLK-UHFFFAOYSA-N

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Application

Cell permeable 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

11 - 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

I3261-1MG:
I3261-250UG:
I3261-1MG-PW:
I3261-250UG-PW:
I3261-BULK:
I3261-VAR:
I3261-.5MG:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBW8742V
MKCF1669
MKCC4756
MKCC1633
MKBZ4230V

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CD2 sets quantitative thresholds in T cell activation.
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The Journal of Experimental Medicine, 190, 1383-1383 (1999)
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H Sun et al.
Circulation, 98(7), 719-727 (1998-08-26)
Transient atrial contractile dysfunction ("atrial stunning") follows conversion of atrial fibrillation (AF) to sinus rhythm and has significant clinical implications; however, the underlying mechanisms are poorly understood. We investigated the hypothesis that rapid atrial activation (as during AF) impairs cellular
D Reynaud et al.
Prostaglandins, leukotrienes, and essential fatty acids, 56(1), 9-12 (1997-01-01)
We describe here the effects of two 12-lipoxygenase products, 12-HETE (12-hydroxyeicosa (5Z,8Z,10E,14Z) tetraenoic acid) and 12-HPETE (12-hydroperoxyeicosa (5Z,8Z,10E,14Z) tetraenoic acid), on the release of intracellular calcium in intact human neutrophils using the INDO-1 AM fluorescent dye technique. Both products dose
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