Chlorophyll a

About Chlorophyll a

Chlorophyll a is a five-membered N-heterocycle carrying the CAS registry number 479-61-8. The compound has the formula C55H72MgN4O5, corresponding to a molecular weight of 893.5 g/mol. Common synonyms include Chlorophyll a, from spinach and Chlorophyll a, from Anacystis nidulans algae.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Chlorophyll a in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Chlorophyll a
Catalogue No.	VQ-051412
CAS Number	479-61-8
IUPAC name	magnesium methyl (3R,21S,22S)-16-ethenyl-11-ethyl-12,17,21,26-tetramethyl-4-oxo-22-[3-oxo-3-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enoxy]propyl]-23,25-diaza-7,24-diazanidahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13(25),14,16,18,20(23)-decaene-3-carboxylate
Molecular formula	C₅₅H₇₂MgN₄O₅
Molecular weight	893.5 g/mol
Exact mass	892.5353
HSN code	2933
InChIKey	ATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES	CCC1=C(C2=NC1=CC3=C(C4=C([N-]3)C(=C5[C@H]([C@@H](C(=N5)C=C6C(=C(C(=C2)[N-]6)C=C)C)C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C4=O)C(=O)OC)C)C.[Mg+2]
PubChem CID	12085802

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 9
TPSA	96.4 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H304May be fatal if swallowed and enters airways

Precautionary statements: P301 + P316, P331, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Chlorophyll a?

The CAS Registry Number of Chlorophyll a is 479-61-8. It is also known as Chlorophyll a, from spinach, Chlorophyll a, from Anacystis nidulans algae.

What is the molecular formula and molecular weight of Chlorophyll a?

Chlorophyll a has the molecular formula C55H72MgN4O5 and a molecular weight of 893.5 g/mol.

Which grade and pack sizes of Chlorophyll a can I order?

We supply Chlorophyll a, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlorophyll a?

Yes. Every lot of Chlorophyll a is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chlorophyll a be shipped internationally?

Yes. Chlorophyll a is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.