70990
α-Cyano-4-hydroxycinnamic acid
matrix substance for MALDI-MS, ≥99.0% (HPLC)
grade
matrix substance for MALDI-MS
Quality Level
Assay
≥99.0% (HPLC)
form
solid
analyte chemical class(es)
glycans, peptides, proteins
technique(s)
MALDI-MS: suitable
mp
245-250 °C (lit.)
245-250 °C
solubility
methanol: 10 mg/mL, clear
cation traces
Ba: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
K: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
absorption
≥2000 at 337 nm (mol. absorption)
SMILES string
OC(=O)\C(=C\c1ccc(O)cc1)C#N
InChI
1S/C10H7NO3/c11-6-8(10(13)14)5-7-1-3-9(12)4-2-7/h1-5,12H,(H,13,14)/b8-5+
InChI key
AFVLVVWMAFSXCK-VMPITWQZSA-N
Looking for similar products? Visit Product Comparison Guide
Related Categories
General description
Application
Other Notes
related product
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Sens. 1B
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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’.
Already Own This Product?
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
Difficulty Finding Your Product Or Lot/Batch Number?
How to Find the Product Number
Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).
Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
enter as 1.000309185)
Having trouble? Feel free to contact Technical Service for assistance.
How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
Aldrich Products
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.
Not Finding What You Are Looking For?
In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the appearance of Product 70990, α-Cyano-4-hydroxycinnamic acid?
Catalog number 70990 is a powder, and has an appearance specification of faintly yellow to yellow in color.
What is the shelf life of Product 70990, α-Cyano-4-hydroxycinnamic acid?
This product does not have an Expiration or Recommended Re-Test date established for it. As with all Sigma-Aldrich products, it is guaranteed up to a year from date of shipment.
What can be used for solublization of α-Cyano-4-hydroxycinnamic acid?
α-Cyano-4-hydroxycinnamic acid (α-CCA, α-CHCA, α-Cyano, 4-HCCA, ACCA) is soluble in methanol (up to 50 mg/ml). It is also soluble at 10 mg/ml using 50% acetonitrile in 0.05% TFA for MALDI-MS. The acetonitrile concentration can be adjusted for individual preferences.For biological applications, it has been solubilized at 100 mM in DMSO or 50 mM in ethanol.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
Related Content
Discover our wide variety of products for intact mass analysis of monoclonal antibodies, including size-exclusion columns (SEC), ion exchange columns, reverse-phase columns, HPLC buffers, MALDI matrices and standards, high-purity solvents, reagents, tools for protein sample preparation, and certified reference materials.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service