| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2021-09-23 21:02:30 UTC |
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| Update Date | 2021-09-23 21:02:30 UTC |
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| HMDB ID | HMDB0302835 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Oryzenin |
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| Description | Oryzenin, also known as thiamin or vitamin b1, is a member of the class of compounds known as thiamines. Thiamines are compounds containing a thiamine moiety, which is structurally characterized by a 3-[(4-Amino-2-methyl-pyrimidin-5-yl)methyl]-4-methyl-thiazol-5-yl backbone. Oryzenin is practically insoluble (in water) and an extremely weak acidic compound (based on its pKa). Oryzenin can be found in rice, which makes oryzenin a potential biomarker for the consumption of this food product. |
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| Structure | [Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)NC1=N InChI=1S/C12H17N4OS.ClH/c1-8-11(3-4-17)18-7-16(8)6-10-5-14-9(2)15-12(10)13;/h5,7,17H,3-4,6H2,1-2H3,(H2,13,14,15);1H/q+1;/p-1 |
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| Synonyms | | Value | Source |
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| 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride | ChEBI | | Thiamin | ChEBI | | Thiamine | ChEBI | | Thiamine chloride | ChEBI | | Thiamine monochloride | ChEBI | | Thiaminum | ChEBI | | Tiamina | ChEBI | | Vitamin b1 | ChEBI |
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| Chemical Formula | C12H17ClN4OS |
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| Average Molecular Weight | 300.808 |
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| Monoisotopic Molecular Weight | 300.081159583 |
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| IUPAC Name | 5-(2-hydroxyethyl)-3-[(6-imino-2-methyl-1,6-dihydropyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium chloride |
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| Traditional Name | β-amin chloride |
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| CAS Registry Number | Not Available |
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| SMILES | [Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)NC1=N |
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| InChI Identifier | InChI=1S/C12H17N4OS.ClH/c1-8-11(3-4-17)18-7-16(8)6-10-5-14-9(2)15-12(10)13;/h5,7,17H,3-4,6H2,1-2H3,(H2,13,14,15);1H/q+1;/p-1 |
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| InChI Key | MYVIATVLJGTBFV-UHFFFAOYSA-M |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as thiamines. Thiamines are compounds containing a thiamine moiety, which is structurally characterized by a 3-[(4-Amino-2-methyl-pyrimidin-5-yl)methyl]-4-methyl-thiazol-5-yl backbone. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Diazines |
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| Sub Class | Pyrimidines and pyrimidine derivatives |
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| Direct Parent | Thiamines |
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| Alternative Parents | |
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| Substituents | - Thiamine
- 4,5-disubstituted 1,3-thiazole
- Aminopyrimidine
- Imidolactam
- Azole
- Thiazole
- Heteroaromatic compound
- Azacycle
- Hydrocarbon derivative
- Organic salt
- Alcohol
- Organopnictogen compound
- Primary amine
- Primary alcohol
- Organooxygen compound
- Organonitrogen compound
- Organic nitrogen compound
- Organic oxygen compound
- Organic chloride salt
- Amine
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic 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 | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted 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 | 430.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 227.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 74.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 161.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 41.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 286.7 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 | 248.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 790.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 567.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 41.6 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 | 632.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 179.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 202.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 544.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 586.4 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 | 402.7 seconds | 40023050 |
Predicted Kovats Retention IndicesDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Oryzenin,2TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)[NH]1 | 2354.1 | Semi standard non polar | 33892256 | | Oryzenin,2TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)[NH]1 | 2532.0 | Standard non polar | 33892256 | | Oryzenin,2TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)[NH]1 | 3308.6 | Standard polar | 33892256 | | Oryzenin,2TMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N)N1[Si](C)(C)C | 2497.0 | Semi standard non polar | 33892256 | | Oryzenin,2TMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N)N1[Si](C)(C)C | 2579.7 | Standard non polar | 33892256 | | Oryzenin,2TMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N)N1[Si](C)(C)C | 3327.6 | Standard polar | 33892256 | | Oryzenin,2TMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 2526.4 | Semi standard non polar | 33892256 | | Oryzenin,2TMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 2571.2 | Standard non polar | 33892256 | | Oryzenin,2TMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 3243.5 | Standard polar | 33892256 | | Oryzenin,3TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 2512.5 | Semi standard non polar | 33892256 | | Oryzenin,3TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 2625.1 | Standard non polar | 33892256 | | Oryzenin,3TMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C)=C2C)C(=N[Si](C)(C)C)N1[Si](C)(C)C | 3019.7 | Standard polar | 33892256 | | Oryzenin,2TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)[NH]1 | 2781.6 | Semi standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)[NH]1 | 2946.1 | Standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)[NH]1 | 3401.0 | Standard polar | 33892256 | | Oryzenin,2TBDMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N)N1[Si](C)(C)C(C)(C)C | 2945.5 | Semi standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N)N1[Si](C)(C)C(C)(C)C | 2999.0 | Standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #2 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N)N1[Si](C)(C)C(C)(C)C | 3358.2 | Standard polar | 33892256 | | Oryzenin,2TBDMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 2943.8 | Semi standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 2986.8 | Standard non polar | 33892256 | | Oryzenin,2TBDMS,isomer #3 | CC1=NC=C(C[N+]2=CSC(CCO)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 3286.2 | Standard polar | 33892256 | | Oryzenin,3TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 3124.6 | Semi standard non polar | 33892256 | | Oryzenin,3TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 3232.2 | Standard non polar | 33892256 | | Oryzenin,3TBDMS,isomer #1 | CC1=NC=C(C[N+]2=CSC(CCO[Si](C)(C)C(C)(C)C)=C2C)C(=N[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C | 3226.3 | Standard polar | 33892256 |
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