Tropine-2-carboxylic acid methyl ester, also known as methyl tropate, is an organic compound derived from tropine, a naturally occurring alkaloid found in plants such as Atropa belladonna (deadly nightshade) and Datura stramonium (jimsonweed). tropen-⁽²⁾-3-carboxylic acid methyl ester is characterized by its molecular formula C9H15NO2 and a molecular weight of 171.22 g/mol. It is a colorless to pale yellow liquid with a specific optical rotation of +40° to +42°. Methyl tropate is used as an intermediate in the synthesis of various pharmaceuticals, particularly in the production of tropicamide, a mydriatic and cycloplegic agent used in ophthalmology. It is also employed in the synthesis of other tropane alkaloids and their derivatives, which have applications in medicine and research. The compound is typically synthesized through the esterification of tropine-2-carboxylic acid with methanol in the presence of an acid catalyst.

67650-63-9

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Basic information
1. Product Name: tropen-⁽²⁾-3-carboxylic acid methyl ester
2. Synonyms:
3. CAS NO:67650-63-9
4. Molecular Formula:
5. Molecular Weight: 181.235
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: tropen-⁽²⁾-3-carboxylic acid methyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: tropen-⁽²⁾-3-carboxylic acid methyl ester(67650-63-9)
11. EPA Substance Registry System: tropen-⁽²⁾-3-carboxylic acid methyl ester(67650-63-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 67650-63-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 67650-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,5 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67650-63:
(7*6)+(6*7)+(5*6)+(4*5)+(3*0)+(2*6)+(1*3)=149
149 % 10 = 9
So 67650-63-9 is a valid CAS Registry Number.

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