1H-indole-3-carboxylic acid, CAS No. 771-50-6

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1H-indole-3-carboxylic acid CAS No.771-50-6 / Cat No.EBD44492

Formula: C9H7NO2

Molecular Weight:161.16

Synonyms:

Indole-3-carboxylic acid

3-Indolecarboxylic acid

3-Indoleformic acid

1H-indole-3-carboxylic acid

1H-indole-3-carboxylate

TIMTEC-BB SBB003952

RARECHEM AL BO 0353

3-Indoleformic acid

1H-indole-3-carboxylic acid

1H-indole-3-carboxylate

TIMTEC-BB SBB003952

RARECHEM AL BO 0353

1-indole-3-carboxylic acid

1H-indole-3-carboxylic acid

3-indoleformic acid

3-indolecarboxylic acid

indole-3-carboxylic acid

1h-indole-3-carboxylic acid

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Packaging	Purity	Availability	Price (USD)	Quantity
100.0g	98.0%	Available to ship on 28-Nov-2025	135.02	- +	ADD TO CART
200.0g	98.0%	Available to ship on 28-Nov-2025	146.23	- +	ADD TO CART

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250.0g	98.0%	Available to ship on 28-Nov-2025	149.03	- +	ADD TO CART
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Properties
Safety Information
NMR Spectrum

Properties

Appearance:

light beige powder
Density:

1.408 g/cm3
Melting point:

232-234 °C (dec.)(lit.)
Boiling point:

419.6 °C at 760 mmHg
Flashing point:

207.6 °C
Solubility:

95

Safety Information

Signal words:

None

NMR Spectrum

Prediction： The 1H-NMR of purified eight IAA samples was found to be same as that of 1H-NMR of standard IAA (FIG. 4). The first peak from right is of acid, of value 9.0 delta bs (-OH), lateral peaks are of protons having values 7.8 delta d 1H (C8H), 7.5 delta d 1H (C5H), 7.31delta d 1H (C2H) and 7.07 delta m 2H (C6 C&7H). Middle big peak is of DMSO having value of 3.04 delta S (d6) and moisture. The next peak is of carbon and hydrogen, having value of 2.59 delta S 2H (-CH2-) and last peak is of internal standard, tetra-methyl-silnate (TMS) of value 0.08.

¹H NMR

¹³C NMR