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Alpha-methyldopa

HCID 4138
NotesReactions
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
55-40-3
Standard SMILES
CC(N)(Cc1ccc(O)c(O)c1)C(=O)O
InChIKey
CJCSPKMFHVPWAR-UHFFFAOYSA-N
Molecular formula
C10H13NO4
Average molar mass
211.21 g/mol
Monoisotopic mass
211.0844579

Overview

3-Hydroxy-alpha-methyl-DL-tyrosine is a member of benzenes and a monocarboxylic acid.

Names & identifiers

Preferred name
Alpha-methyldopa
IUPAC
2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid
English name
3-Hydroxy-alpha-methyl-DL-tyrosine
Molecular formula
C10H13NO4
Molecular weight
211.21

Names & synonyms

MulfasinMetholesalpha-MethyldopaEINECS 209-088-7EINECS 200-232-4LMethyldopaalphaMethylLdopaLalphaMethyldopa()MethyldopaL(alphaMd)RefChem:5558743HydroxyalphamethylLtyrosine
Show more names
MethydopaDL-METHYLDOPADL-A-METHYL DOPATIMTEC-BB SBB000508DL-ALPHA-METHYL-DOPA(rs)-alpha-methyldopa(+-)-alpha-methyldoparacemicalpha-methyldopa
alphaMethylL3,4dihydroxyphenylalanineLalphaMethyl3,4dihydroxyphenylalanine3(3,4Dihydroxyphenyl)2methylLalanineL()3(3,4Dihydroxyphenyl)2methylalaninealphaMethylbeta(3,4dihydroxyphenyl)LalanineL()alphaMethylbeta(3,4dihydroxyphenyl)alanineL()beta(3,4Dihydroxyphenyl)alphamethylalanineL2Amino2methyl3(3,4dihydroxyphenyl)propionic acid

Database identifiers

CAS
55-40-3、555-29-3、555-30-6
PubChem CID
4138
DTXSID
DTXSID60970356
ChEMBL
CHEMBL718
ChEBI
CHEBI:180994
UNII
33TD13T99R
EC Number
200-232-4、209-088-7
Nikkaji
J1.682.491G

Properties

Computed structural properties

XLogP
-1.9
Topological polar surface area
104 Ų
Hydrogen bond donors
4
Hydrogen bond acceptors
5
Rotatable bonds
3
Heavy atoms
15
Formal charge
0
Complexity
246

Experimental & physicochemical properties

Chemical ClassesOther Uses -> Pharmaceuticals
Human DrugsBreast Feeding; Lactation; Milk, Human; Antihypertensive Agents; Adrenergic alpha-2 Receptor Agonists
Dissociation Constants2.21

Physicochemical properties

storage temp.
20 °C · −20°C
CAS DataBase Reference
555 · 555-29-3(CAS DataBase Reference)
Hazard Codes
Xi
Risk Statements
36 · 36
Safety Statements
26 · 26-36/37
WGK Germany
3 · 3

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (19.1%): Causes skin irritation [Warning Skin corrosion/irritation]

P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)

Aggregated GHS information provided per 47 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazards Summary · 1 item

Asthma reported in the pharmaceutical industry; [Malo] As an oral medication, methyldopa is used to treat hypertension. Many side effects have been reported after ingestion of therapeutic doses, including immune hemolytic anemia and drug-induced hepatitis. [HSDB]

Hazard Classes and CategoriesSkin Irrit. 2 (19.1%)

Toxicology

Adverse EffectsOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
Effects During Pregnancy and Lactation◉ Summary of Use during Lactation

Safety data

wgk
3
risk_code
36
hazard_code
Xi
safety_code
26-36/37

Chemistry & industry

Pharmacology

ATC Code · 2 items

C - Cardiovascular system

QC - Cardiovascular system

Upstream & downstream products

Downstream products

Methyldopa

Suppliers27 total

Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
上海瀚香生物科技有限公司177-54423994 17754423994 · [email protected]
上海丽康新材料有限公司+86-16631818819 +86-17736933208 · [email protected]
上海御略医药科技有限公司021-60345187 13671753212 · [email protected]
湖北源梦生物科技有限公司027-68897569 18120462897 · [email protected]
上海陶术生物科技股份有限公司+1-781-999-5354; +1-00000000000 · [email protected]
湖北威德利化学科技有限公司027-83989310 18627915365 · [email protected]
武汉峰耀同辉化学制品有限公司027-87466205 15377579727 · [email protected]
湖北恒绿源科技有限公司027-88188016 18717196322 · [email protected]
厦门志信化学有限公司+86-5922680277 +86-13806087780 · [email protected]
陕西缔都医药化工有限公司029-029-81120477 17792793610 · [email protected]
湖北源梦生物科技有限公司027-68897569 18120462897 · [email protected]
南京罗迈美生物科技有限公司[email protected]
湖北威德利化学科技有限公司027-83991130 18627774460 · [email protected]
威尔曼医药集团有限公司15807197853 18971451745 · [email protected]
武汉研哲科技有限公司15527250409 · [email protected]
杭州洁汉化工有限公司+86-571-86217390; +8618058761490 · [email protected]
武汉峰耀同辉化学制品有限公司027-87466105 15377573527 · [email protected]
厦门盈融达化工有限公司+86-0592-6210733 · [email protected]
career henan chemical co+86-0371-86658258 · [email protected]
江苏洪珉药业有限公司18221292452 · [email protected]
武汉福鑫化工有限公司027-59207852 13308628970 · [email protected]
陕西缔都医药化工有限公司+86-29-87569266 +86-17392581500 · [email protected]
Hefei TNJ Chemical Industry Co.,Ltd.+86-0551-65418671 +86-189 4982 3763 · [email protected]
DONBOO AMINO ACID COMPANY13063595538 · [email protected]
南京世洲生物科技有限公司025-85563444 15850508050 · [email protected]
Wuhan Fortuna Chemical Co., Ltd+86-27-59207850 · [email protected]

Additional notes

DefinitionChEBI: 3-Hydroxy-alpha-methyl-DL-tyrosine is a monocarboxylic acid and a member of benzenes.

Related reactions

2 records
New reaction record
HRID 1590030 reaction equation
HRID 1590030As reactantuspto-grants-1993_04
HRID 2396424 reaction equation
HRID 2396424As reactantuspto-grants-1996_02

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes