CY5.5 carboxylic acid

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 555682

CAS#: 1144107-80-1

Description: CY5.5 carboxylic acid, also known as Cyanine5.5 carboxylic acid, is a Far-red emitting fluorescent dye with Ex/Em wavelength 673nm/707nm. CY5.5 carboxylic acid can be considered non-reactive for most applications and used as a control or reference sample, and for instrument calibration.

Price and Availability

Size Price Shipping out time Quantity
5mg USD 360 2 Weeks
25mg USD 750 2 Weeks
200mg USD 2250 2 Weeks
500mg USD 3250 2 Weeks
1g USD 4250 2 Weeks
2g USD 6850 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-01-18. Prices are subject to change without notice.

CY5.5 carboxylic acid, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 555682
Name: CY5.5 carboxylic acid
CAS#: 1144107-80-1
Chemical Formula: C40H42N2O2
Exact Mass: 582.3246
Molecular Weight: 582.788
Elemental Analysis: C, 82.44; H, 7.26; N, 4.81; O, 5.49

Synonym: CY5.5-COOH; CY5.5 carboxylic acid; Cyanine5.5 carboxylic acid

IUPAC/Chemical Name: 1H-Benz[e]indolium, 2-[5-[3-(5-carboxypentyl)-1,3-dihydro-1,1-dimethyl-2H-benz[e]indol-2-ylidene]-1,3-pentadien-1-yl]-1,1,3-trimethyl-, inner salt


InChi Code: InChI=1S/C40H42N2O2/c1-39(2)34(41(5)32-25-23-28-16-11-13-18-30(28)37(32)39)20-8-6-9-21-35-40(3,4)38-31-19-14-12-17-29(31)24-26-33(38)42(35)27-15-7-10-22-36(43)44/h6,8-9,11-14,16-21,23-26H,7,10,15,22,27H2,1-5H3

SMILES Code: C[N+]1=C(/C=C/C=C/C=C2N(CCCCCC([O-])=O)C3=C(C4=CC=CC=C4C=C3)C/2(C)C)C(C)(C)C5=C1C=CC6=CC=CC=C56

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


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