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Product Name: apoatropine
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500-55-0

500-55-0 structure

500-55-0 structure

Name: 8-Methyl-8-azabicyclo[3.2.1]oct-3-yl atropate
Chemical Name: (8-methyl-8-azabicyclo[3.2.1]octan-3-yl) 2-phenylprop-2-enoate
CAS Number: 500-55-0
Molecular Formula: C₁₇H₂₁NO₂
Molecular Weight: 271.354
Create Date: 2018-09-14 09:33:01
Modify Date: 2026-07-19 19:33:44

Name	(8-methyl-8-azabicyclo[3.2.1]octan-3-yl) 2-phenylprop-2-enoate
Synonyms	1-alpha-H,5-alpha-H-Tropan-3-alpha-ol, atropate Apohyoscyamine atropic acid tropane-3endo-yl ester Atropine Impurity A HCl Atropamin (4S)-1,2,3,4-Tetrahydro-1-phenylnaphthalene-1,4-dicboxylic acid bis(8-methyl-8-azabicyclo[3.2.1]octan-3-yl) ester Apoatropin endo-alpha-Methylenebenzeneacetic acid 8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester α-Methylenebenzeneacetic acid [(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3α-yl] ester Atropine Impurity A Detoxified atropine Atropine Impurity A Apoatropine, 8-methyl-8-azabicyclo[3.2.1]octan-3-yl 2- phenylacrylate Tropine, atropate apotropine endo-te 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester Apohyoscyamin alpha-methylene-benzeneaceticaci8-methyl-8-azabicyclo(3.2.1)oct-3-yles apohyoscyamin 2-phenylacrylic acid (8-methyl-8-azabicyclo[3.2.1]octan-3-yl) ester Benzeneacetic acid, a-methylene-,(3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester Atropine Impurity A (Hyoscyamine Impurity G, Apoatropine) 1-alpha-h,5-alpha-h-tropan-3-alpha-ol,atropate(ester) Tropic acid, 3-alpha-tropanyl ester Tiotropium Impurity 18 ATROPYLTROPEINE Benzenamine,8-hydrazinyl-N,N-dimethyl endo-alpha-methylenebenzeneaceticacid8-methyl-8-azabicyclo(3.2.1)oct-3-yle Atropasaeure-tropan-3endo-ylester APOATROPINE Atropyltropeine Atropine Sulfate Impurity A(Hyoscine Impurity G) (4R)-1,2,3,4-Tetrahydro-1-phenylnaphthalene-1,4-dicboxylic acid bis(8-methyl-8-azabicyclo[3.2.1]octan-3-yl) ester Atropic acid (1R,5S)-tropan-3α-yl ester (1R,3r,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl2-phenylacrylate Apoatropine (6CI, 7CI) APOHYOSCYAMINE Benzeneacetic acid, α-methylene-, 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester Propenoic acid, 2-phenyl-, 8-methyl-8-azabicyclo[3.2.1]octan-3-yl ester belladonnine Atropine Impurity 1（Atropine Impurity A） ATROPAMINE Benzeneacetic acid, α-methylene-, (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester Tropine,atropate (ester) Apoatropine Atropamine Benzeneacetic acid, alpha-methylene-, 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester, endo

Density	1.1±0.1 g/cm3
Boiling Point	389.1±42.0 °C at 760 mmHg
Molecular Formula	C₁₇H₂₁NO₂
Molecular Weight	271.354
Flash Point	136.5±18.8 °C
Exact Mass	271.157227
PSA	29.54000
LogP	3.22
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.572

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YM4025000

CHEMICAL NAME :: 1-alpha-H,5-alpha-H-Tropan-3-alpha-ol, atropate (ester)

CAS REGISTRY NUMBER :: 500-55-0

BEILSTEIN REFERENCE NO. :: 0085429

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C17-H21-N-O2

MOLECULAR WEIGHT :: 271.39

WISWESSER LINE NOTATION :: T56 A ANTJ A1 GOVYR&U1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 160 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,117,1989

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10400 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB85-203644

Risk Phrases	26/28
RIDADR	UN 1544
HS Code	2933990090

Precursor 10
51-55-8 101-31-5 7697-37-2 108-24-7
93-97-0 5908-99-6 7664-93-9 5226-98-2
55-48-1 7732-18-5
DownStream 4
492-38-6 7432-10-2 2292-12-8 2292-11-7

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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