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Substance Name: Hyoscyamine [USP:BAN]
RN: 101-31-5
UNII: PX44XO846X
InChIKey: RKUNBYITZUJHSG-FXUDXRNXSA-N
Note
- The 3(S)-endo isomer of atropine.
Molecular Formula
- C17-H23-N-O3
Molecular Weight
- 289.3727
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
- Adjuvants, Anesthesia
- Anti-Arrhythmia Agents
- Anti-Asthmatic Agents
- Anticholinergic
- Autonomic Agents
- Bronchodilator Agents
- Cardiovascular Agents
- Central Nervous System Agents
- Cholinergic Agents
- Cholinergic Antagonists
- Human Data
- Muscarinic Antagonists
- Mydriatics
- Natural Product
- Neurotransmitter Agents
- Parasympatholytics
- Peripheral Nervous System Agents
- Respiratory System Agents
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Names and Synonyms
Name of Substance
- Hyoscyamine
- Hyoscyamine [USP:BAN]
MeSH Heading
- Hyoscyamine
Synonyms
- (-)-Atropine
- (-)-Hyoscyamine
- (S)-(-)-Hyoscyamine
- (S)-Atropine
- 1-Hyoscyamine
- 1alphaH,5alphaH-Tropan-3alpha-ol (-)-tropate (ester)
- Benzeneacetic acid, alpha-(hydroxymethyl)-, 8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester, (3(S)-endo)-
- Cystospaz
- Daturine
- Duboisine
- EINECS 202-933-0
- HSDB 3552
- Hyoscyamine
- Hyoscyamine, l-
- Hyospaz
- Hyosyne
- l-Atropine
- L-Hyoscyamine
- L-Tropine tropate
- Levbid
- Levsin
- Levsin SL
- Levsinex SR
- Symax Duotab
- Symax SL
- Symax SR
- Tropic acid, (-)-, ester with tropine
- Tropine, (-)-tropate (ester)
- UNII-PX44XO846X
Systematic Names
- Benzeneacetic acid, alpha-(hydroxymethyl)-, (3-endo)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester, (alphaS)-
- Benzeneacetic acid, alpha-(hydroxymethyl)-, 8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester, (3(S)-endo)-
- Hyoscyamine
Registry Numbers
CAS Registry Number
- 101-31-5
FDA UNII
- PX44XO846X
Other Registry Numbers
- 1891070-00-0
- 1892-81-5
- 28905-40-0
- 38411-64-2
- 47170-56-9
- 8000-07-5
System Generated Number
- 0000101315
Structure Descriptors
InChI
1S/C17H23NO3/c1-18-13-7-8-14(18)10-15(9-13)21-17(20)16(11-19)12-5-3-2-4-6-12/h2-6,13-16,19H,7-11H2,1H3/t13-,14+,15+,16-/m1/s1InChIKey
RKUNBYITZUJHSG-FXUDXRNXSA-NSmiles
CN1[C@H]2CC[C@@H]1CC(C2)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| man | LDLo | unreported | 1471ug/kg (1.471mg/kg) | "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970. | |
| mouse | LD50 | intravenous | 95mg/kg (95mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | British Journal of Pharmacology and Chemotherapy. Vol. 24, Pg. 138, 1965. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 108.5 | deg C | EXP | |
| pKa Dissociation Constant | 11.72 | (none) | EXP | |
| log P (octanol-water) | 1.910 | (none) | EST | |
| Water Solubility | 3560 | mg/L | 20 | EXP |
| Atmospheric OH Rate Constant | 6.11E-11 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.