CAS 17499-98-8: Bacteriochlorophyll a

Description: Bacteriochlorophyll a is a chlorophyll-like pigment primarily found in certain photosynthetic bacteria, particularly in the green sulfur bacteria and purple bacteria. It plays a crucial role in the process of photosynthesis, allowing these organisms to capture light energy and convert it into chemical energy. Structurally, bacteriochlorophyll a is similar to chlorophyll a but has distinct differences in its side chains and the central metal ion, which is typically magnesium. This pigment absorbs light in the infrared region, making it particularly effective in low-light environments, such as deep aquatic systems. Bacteriochlorophyll a is also involved in the formation of light-harvesting complexes, which enhance the efficiency of light absorption. Its unique absorption spectrum allows these bacteria to thrive in niches where other photosynthetic organisms may not be as effective. Additionally, bacteriochlorophyll a can be involved in various biochemical pathways, contributing to the overall metabolic processes of the bacteria that contain it.

Formula: C₅₅H₇₄MgN₄O₆

InChI: InChI=1S/C55H75N4O6.Mg/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3;/h25,27-32,34-35,39-40,51H,13-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b33-25+;/t31-,32-,34-,35+,39-,40+,51-;/m1./s1

InChI key: InChIKey=DSJXIQQMORJERS-AGGZHOMASA-M

SMILES: O=C(OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)CCC1C=2C3=C4C(C(=O)C3C(=O)OC)=C(C5=CC6=[N]7C(=CC8=C(C(=O)C)C(=C9C=C([N]2[Mg+2]7([N-]89)[N-]54)C1C)C)C(C)C6CC)C

Synonyms:

• (SP-4-2)-[(2E,7R,11R)-3,7,11,15-Tetramethyl-2-hexadecenyl (3S,4S,13R,14R,21R)-9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-κN²³,κN²⁴,κN²⁵,κN²⁶]magnesium
• (SP-4-2-{3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]})-[3,7,11,15-tetramethylhexadec-2-enyl-9-acetyl-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-13,14-dihydro-3-phorbinepropionato(2-)-N23,N24,N25,N26]magnesium
• 3-Phorbinepropanoic acid, 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-, 3,7,11,15-tetramethyl-2-hexadecenyl ester, magnesium complex, [3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]-
• Bacteriochlorophyll
• Bacteriochlorophyll a
• Bacteriochlorophyll a_P
• Bacteriochlorophyll aP
• Bacteriochlorophylls
• Magnesium, ((2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl (3S,4S,13R,14R,21R)-9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-kappaN23,kappaN24,kappaN25,kappaN26)-, (SP-4-2)-
• Magnesium, (3,7,11,15-tetramethyl-2-hexadecenyl 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-N23,N24,N25,N26)-, (SP-4-2-(3S-(3alpha(2E,7S*,11S*),4beta,13beta,14alpha,21beta)))-
• Magnesium, [(2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl (3S,4S,13R,14R,21R)-9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-κN23,κN24,κN25,κN26]-, (SP-4-2)-
• Magnesium, [(2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl (3S,4S,13R,14R,21R)-9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-κN²³,κN²⁴,κN²⁵,κN²⁶]-, (SP-4-2)-
• Magnesium, [3,7,11,15-Tetramethyl-2-hexadecenyl-9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinpropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• Magnesium, [3,7,11,15-tetramethyl-2-hexadecenyl 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• Magnesium, [3,7,11,15-tetramethyl-2-hexadecenyl 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-N²³,N²⁴,N²⁵,N²⁶]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• Magnesium, [3,7,11,15-tetramethyl-2-hexadecenyl 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-κN23,κN24,κN25,κN26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• Magnesium, [3,7,11,15-tetramethyl-2-hexadecenyl 9-acetyl-14-ethyl-13,14-dihydro-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoato(2-)-κN²³,κN²⁴,κN²⁵,κN²⁶]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• Magnesium, [dihydrogen 9-acetyl-21-carboxy-14-ethyl-13,14-dihydro-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropionato(2-)]-, 21-methyl 3-phytyl ester, (E)-
• Phorbine, magnesium deriv.
• magnesio, [3,7,11,15-tetrametil-2-hexadecenil 9-acetil-14-etil-13,14-dihidro-21-(metoxicarbonil)-4,8,13,18-tetrametil-20-oxo-3-forbinapropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-
• magnesium (3S,4S,13R,14R,21R)-9-acetyl-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-3-(3-oxo-3-{[(2E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-yl]oxy}propyl)-23,25-didehydro-13,14-dihydrophorbine-23,25-diide
• magnesium 9-acetyl-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-3-(3-oxo-3-{[(2E)-3,7,11,15-tetramethylhexadec-2-en-1-yl]oxy}propyl)-23,25-didehydro-4,13,14,21-tetrahydro-3H-phorbin-23-id-20-olate
• magnesium, [tetramethyl-3,7,11,15 hexadecenyl-2 acetyl-9 ethyl-14 dihydro-13,14 (methoxycarbonyl)-21 tetramethyl-4,8,13,18 oxo-20 phorbinepropanoato-3 (2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,13β,14α,21β]]]-

Bacteriochlorophyll a from Rhodopseudomonas sphaeroides (under argon)

CAS: 17499-98-8

• Formula: C₅₅H₇₄MgN₄O₆
• Purity: >95%
• Molecular weight: 911.5