Exact Mass: 755.2668

Exact Mass Matches: 755.2668

Found 16 metabolites which its exact mass value is equals to given mass value 755.2668, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

rifamycin B

C39H49NO14 (755.3153)

D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D012294 - Rifamycins

[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-13-acetyloxy-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-27-yl] 2-hydroxyacetate

[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-13-acetyloxy-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-27-yl] 2-hydroxyacetate

C39H49NO14 (755.3153)

D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D012294 - Rifamycins

QSY7 succinimidyl ester(1+)

C43H39N4O7S+ (755.2539)

(1r,2r,3s,5r,8s,9r,10s,13s,14e,18r,20s,21s,22r,23r,30r)-6,18,30,33-tetrahydroxy-10,11,15,23,34-pentamethyl-8-(2-methylpropyl)-26,36-dioxa-7-azanonacyclo[20.8.4.1²,²¹.1²³,³⁰.0¹,²².0³,²⁰.0⁵,⁹.0⁵,¹³.0²⁴,²⁸]hexatriaconta-6,11,14,24,27,33-hexaene-4,19,29,31,32,35-hexone

(1r,2r,3s,5r,8s,9r,10s,13s,14e,18r,20s,21s,22r,23r,30r)-6,18,30,33-tetrahydroxy-10,11,15,23,34-pentamethyl-8-(2-methylpropyl)-26,36-dioxa-7-azanonacyclo[20.8.4.1²,²¹.1²³,³⁰.0¹,²².0³,²⁰.0⁵,⁹.0⁵,¹³.0²⁴,²⁸]hexatriaconta-6,11,14,24,27,33-hexaene-4,19,29,31,32,35-hexone

C42H45NO12 (755.2942)

2-[(4-ethenyl-7-hydroxy-8-methoxy-13-oxo-4,4a,5,5a,10,11-hexahydro-3h-2-oxa-12-azatetraphen-3-yl)oxy]-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl 3-{4-[(1,3-dihydroxypropan-2-yl)oxy]-3-methoxyphenyl}prop-2-enoate

2-[(4-ethenyl-7-hydroxy-8-methoxy-13-oxo-4,4a,5,5a,10,11-hexahydro-3h-2-oxa-12-azatetraphen-3-yl)oxy]-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl 3-{4-[(1,3-dihydroxypropan-2-yl)oxy]-3-methoxyphenyl}prop-2-enoate

C38H45NO15 (755.2789)

6,18,30,33-tetrahydroxy-10,11,15,23,34-pentamethyl-8-(2-methylpropyl)-26,36-dioxa-7-azanonacyclo[20.8.4.1²,²¹.1²³,³⁰.0¹,²².0³,²⁰.0⁵,⁹.0⁵,¹³.0²⁴,²⁸]hexatriaconta-6,11,14,24,27,33-hexaene-4,19,29,31,32,35-hexone

6,18,30,33-tetrahydroxy-10,11,15,23,34-pentamethyl-8-(2-methylpropyl)-26,36-dioxa-7-azanonacyclo[20.8.4.1²,²¹.1²³,³⁰.0¹,²².0³,²⁰.0⁵,⁹.0⁵,¹³.0²⁴,²⁸]hexatriaconta-6,11,14,24,27,33-hexaene-4,19,29,31,32,35-hexone

C42H45NO12 (755.2942)

{[(19e)-13-(acetyloxy)-2,15,17,23,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6-oxo-8,30-dioxa-24-azatetracyclo[23.3.1.1⁴,⁷.0⁵,²⁸]triaconta-1(29),2,4,9,19,21,23,25,27-nonaen-27-yl]oxy}acetic acid

{[(19e)-13-(acetyloxy)-2,15,17,23,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6-oxo-8,30-dioxa-24-azatetracyclo[23.3.1.1⁴,⁷.0⁵,²⁸]triaconta-1(29),2,4,9,19,21,23,25,27-nonaen-27-yl]oxy}acetic acid

C39H49NO14 (755.3153)

{[(7s,9e,11s,12r,13s,14r,15r,16r,17s,18s,19e,21z)-13-(acetyloxy)-2,15,17,23,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6-oxo-8,30-dioxa-24-azatetracyclo[23.3.1.1⁴,⁷.0⁵,²⁸]triaconta-1(29),2,4,9,19,21,23,25,27-nonaen-27-yl]oxy}acetic acid

{[(7s,9e,11s,12r,13s,14r,15r,16r,17s,18s,19e,21z)-13-(acetyloxy)-2,15,17,23,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6-oxo-8,30-dioxa-24-azatetracyclo[23.3.1.1⁴,⁷.0⁵,²⁸]triaconta-1(29),2,4,9,19,21,23,25,27-nonaen-27-yl]oxy}acetic acid

C39H49NO14 (755.3153)

(1s,2r,3r,4s,5s,7r,8s,9r,10r,11s,12s,14r,15r)-2,7,8,12-tetrakis(acetyloxy)-5,9,12-trimethyl-15-{[(2r)-2-methylbutanoyl]oxy}-16-oxo-18-oxapentacyclo[7.7.2.0¹,¹⁰.0³,⁷.0¹¹,¹⁴]octadecan-4-yl pyridine-3-carboxylate

(1s,2r,3r,4s,5s,7r,8s,9r,10r,11s,12s,14r,15r)-2,7,8,12-tetrakis(acetyloxy)-5,9,12-trimethyl-15-{[(2r)-2-methylbutanoyl]oxy}-16-oxo-18-oxapentacyclo[7.7.2.0¹,¹⁰.0³,⁷.0¹¹,¹⁴]octadecan-4-yl pyridine-3-carboxylate

C39H49NO14 (755.3153)

(2s,3r,4s,5s,6r)-2-{[(3s,4r,4as,5ar)-4-ethenyl-7-hydroxy-8-methoxy-13-oxo-4,4a,5,5a,10,11-hexahydro-3h-2-oxa-12-azatetraphen-3-yl]oxy}-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl (2e)-3-{4-[(1,3-dihydroxypropan-2-yl)oxy]-3-methoxyphenyl}prop-2-enoate

(2s,3r,4s,5s,6r)-2-{[(3s,4r,4as,5ar)-4-ethenyl-7-hydroxy-8-methoxy-13-oxo-4,4a,5,5a,10,11-hexahydro-3h-2-oxa-12-azatetraphen-3-yl]oxy}-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl (2e)-3-{4-[(1,3-dihydroxypropan-2-yl)oxy]-3-methoxyphenyl}prop-2-enoate

C38H45NO15 (755.2789)

2,7,8,12-tetrakis(acetyloxy)-5,9,12-trimethyl-15-[(2-methylbutanoyl)oxy]-16-oxo-18-oxapentacyclo[7.7.2.0¹,¹⁰.0³,⁷.0¹¹,¹⁴]octadecan-4-yl pyridine-3-carboxylate

C39H49NO14 (755.3153)