| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-05-22 14:17:45 UTC |
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| Update Date | 2021-10-13 04:38:32 UTC |
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| HMDB ID | HMDB0002274 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Methylcobalamin |
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| Description | The name vitamin B12 is used in two different ways. In a broad sense it refers to a group of cobalt-containing compounds known as cobalamins - cyanocobalamin (an artifact formed as a result of the use of cyanide in the purification procedures), hydroxocobalamin and the two coenzyme forms of B12, methylcobalamin (MeB12) and 5-deoxyadenosylcobalamin (adenosylcobalamin - AdoB12). In a more specific way, the term B12 is used to refer to only one of these forms, cyanocobalamin, which is the principal B12 form used for foods and in nutritional supplements. B12 cannot be made by plants or by animals, as the only type of organisms that have the enzymes required for the synthesis of B12 are bacteria and archaea. The total synthesis of B12 was reported in 1973 by Robert Burns Woodward, and remains one of the classic feats of total synthesis. Cyanocobalamin is a vitamin commonly known as vitamin B12 (or B12 for short). |
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| Structure | C1(CC[C@@]2([C@@H](CC(N)=O)[C@@]3([C@@]4([N+]5=C([C@H]([C@@]4(CC(N)=O)C)CCC(N)=O)C(C)=C4[N+]6=C(C=C7[N+]8=C([C@H](C7(C)C)CCC(N)=O)C(C)=C2N3[Co-3]568([N+]2=CN([C@H]3O[C@@H]([C@@H](OP(O[C@@H](CN1)C)([O-])=O)[C@H]3O)CO)C1=CC(C)=C(C=C21)C)C)[C@H]([C@@]4(CC(N)=O)C)CCC(N)=O)C)[H])C)=O InChI=1S/C62H90N13O14P.CH3.Co/c1-29-20-39-40(21-30(29)2)75(28-70-39)57-52(84)53(41(27-76)87-57)89-90(85,86)88-31(3)26-69-49(83)18-19-59(8)37(22-46(66)80)56-62(11)61(10,25-48(68)82)36(14-17-45(65)79)51(74-62)33(5)55-60(9,24-47(67)81)34(12-15-43(63)77)38(71-55)23-42-58(6,7)35(13-16-44(64)78)50(72-42)32(4)54(59)73-56;;/h20-21,23,28,31,34-37,41,52-53,56-57,76,84H,12-19,22,24-27H2,1-11H3,(H15,63,64,65,66,67,68,69,71,72,73,74,77,78,79,80,81,82,83,85,86);1H3;/q;;+2/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56-,57+,59-,60+,61+,62+;;/m1../s1 |
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| Synonyms | | Value | Source |
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| CO-METHYLCOBALAMIN | ChEBI | | MeCbl | ChEBI | | Mecobalamin | ChEBI | | Methylcob(III)alamin | ChEBI | | Methyl(III)cobalamin | HMDB |
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| Chemical Formula | C63H91CoN13O14P |
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| Average Molecular Weight | 1344.3823 |
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| Monoisotopic Molecular Weight | 1343.587806391 |
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| IUPAC Name | (10S,12R,13S,17R,23R,24R,25R,30S,35S,36S,40S,41S,42R,46R)-30,35,40-tris(2-carbamoylethyl)-24,36,41-tris(carbamoylmethyl)-46-hydroxy-12-(hydroxymethyl)-1,5,6,17,23,28,31,31,36,38,41,42-dodecamethyl-15,20-dioxo-11,14,16-trioxa-2lambda5,9,19,26,43lambda5,44lambda5,45lambda5-heptaaza-15lambda5-phospha-1-cobaltadodecacyclo[27.14.1.1^{1,34}.1^{2,9}.1^{10,13}.0^{1,26}.0^{3,8}.0^{23,27}.0^{25,42}.0^{32,44}.0^{39,43}.0^{37,45}]heptatetraconta-2(47),3,5,7,27,29(44),32,34(45),37,39(43)-decaene-2,43,44,45-tetrakis(ylium)-1,1,1-triuid-15-olate |
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| Traditional Name | (10S,12R,13S,17R,23R,24R,25R,30S,35S,36S,40S,41S,42R,46R)-30,35,40-tris(2-carbamoylethyl)-24,36,41-tris(carbamoylmethyl)-46-hydroxy-12-(hydroxymethyl)-1,5,6,17,23,28,31,31,36,38,41,42-dodecamethyl-15,20-dioxo-11,14,16-trioxa-2lambda5,9,19,26,43lambda5,44lambda5,45lambda5-heptaaza-15lambda5-phospha-1-cobaltadodecacyclo[27.14.1.1^{1,34}.1^{2,9}.1^{10,13}.0^{1,26}.0^{3,8}.0^{23,27}.0^{25,42}.0^{32,44}.0^{39,43}.0^{37,45}]heptatetraconta-2(47),3,5,7,27,29(44),32,34(45),37,39(43)-decaene-2,43,44,45-tetrakis(ylium)-1,1,1-triuid-15-olate |
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| CAS Registry Number | 13422-55-4 |
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| SMILES | C1(CC[C@@]2([C@@H](CC(N)=O)[C@@]3([C@@]4([N+]5=C([C@H]([C@@]4(CC(N)=O)C)CCC(N)=O)C(C)=C4[N+]6=C(C=C7[N+]8=C([C@H](C7(C)C)CCC(N)=O)C(C)=C2N3[Co-3]568([N+]2=CN([C@H]3O[C@@H]([C@@H](OP(O[C@@H](CN1)C)([O-])=O)[C@H]3O)CO)C1=CC(C)=C(C=C21)C)C)[C@H]([C@@]4(CC(N)=O)C)CCC(N)=O)C)[H])C)=O |
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| InChI Identifier | InChI=1S/C62H90N13O14P.CH3.Co/c1-29-20-39-40(21-30(29)2)75(28-70-39)57-52(84)53(41(27-76)87-57)89-90(85,86)88-31(3)26-69-49(83)18-19-59(8)37(22-46(66)80)56-62(11)61(10,25-48(68)82)36(14-17-45(65)79)51(74-62)33(5)55-60(9,24-47(67)81)34(12-15-43(63)77)38(71-55)23-42-58(6,7)35(13-16-44(64)78)50(72-42)32(4)54(59)73-56;;/h20-21,23,28,31,34-37,41,52-53,56-57,76,84H,12-19,22,24-27H2,1-11H3,(H15,63,64,65,66,67,68,69,71,72,73,74,77,78,79,80,81,82,83,85,86);1H3;/q;;+2/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56-,57+,59-,60+,61+,62+;;/m1../s1 |
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| InChI Key | JEWJRMKHSMTXPP-WZHZPDAFSA-L |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as cobalamin derivatives. These are organic compounds containing a corrin ring, a cobalt atom, an a nucleotide moiety. Cobalamin Derivatives are actually derived from vitamin B12. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Tetrapyrroles and derivatives |
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| Sub Class | Corrinoids |
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| Direct Parent | Cobalamin derivatives |
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| Alternative Parents | |
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| Substituents | - Cobalamin
- Metallotetrapyrrole skeleton
- Pentose phosphate
- Monosaccharide phosphate
- Benzimidazole
- Benzenoid
- Fatty amide
- Organic phosphoric acid derivative
- N-substituted imidazole
- Fatty acyl
- Monosaccharide
- Pyrrolidine
- Pyrroline
- Tetrahydrofuran
- Azole
- Imidazole
- Heteroaromatic compound
- Secondary alcohol
- Carboxamide group
- Secondary carboxylic acid amide
- Primary carboxylic acid amide
- Lactam
- Carboxylic acid derivative
- Oxacycle
- Metalloheterocycle
- Azacycle
- Organic metal salt
- Organic transition metal salt
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Organopnictogen compound
- Carbonyl group
- Organic oxygen compound
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organic salt
- Alcohol
- Organic transition metal moeity
- Organometallic compound
- Organonitrogen compound
- Organooxygen compound
- Transition metal alkyl
- Primary alcohol
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | |
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| Role | |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3349.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 101.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 283.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 160.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 170.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 478.3 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 559.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 967.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1215.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 689.4 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1940.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 479.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 371.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 280.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 582.2 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 251.4 seconds | 40023050 |
Predicted Kovats Retention IndicesNot Available |
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| MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Methylcobalamin Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-0006-0009000000-270ebe7bf52ebc393bc3 | 2018-06-06 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methylcobalamin Quattro_QQQ 25V, Positive-QTOF (Annotated) | splash10-0006-0009000000-837bcde718484550d5d7 | 2018-06-06 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Methylcobalamin Quattro_QQQ 40V, Positive-QTOF (Annotated) | splash10-0006-0009000000-9cdd3a31b906175760ad | 2018-06-06 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 10V, Positive-QTOF | splash10-0f95-0089000000-105b8165c01a315a1c06 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 20V, Positive-QTOF | splash10-0ke9-0049000000-874b2f636228deaa8738 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 40V, Positive-QTOF | splash10-0pb9-0090000000-8fa0175ad99d0f3bcd2f | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 10V, Negative-QTOF | splash10-0007-0089000000-010c91e5b4f5bcb69026 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 20V, Negative-QTOF | splash10-0adj-1094000000-c827499f8629edca78e1 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 40V, Negative-QTOF | splash10-0006-7092000000-cfd079b185ddc58fcf85 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 10V, Negative-QTOF | splash10-0006-0009000000-aa82df0e0d556ebbbf0a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 20V, Negative-QTOF | splash10-0006-1094000000-bcae5ec9260f44330c24 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 40V, Negative-QTOF | splash10-0006-0096000000-cdac342b4c786996dd29 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 10V, Positive-QTOF | splash10-004i-0009000000-4b9d5321bce24e41c6b3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 20V, Positive-QTOF | splash10-002f-0098000000-588795fd3890fc7202c0 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Methylcobalamin 40V, Positive-QTOF | splash10-0ufr-6079000000-76a3506aaf1ee44d2d67 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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