A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
trans-2-[2-(3-Bromophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(3-BROMOPHENYL)-2-OXOETHYL]CYCLOPENTANE-1-CARBOXYLIC ACID, 733740-61-9. Product Category: Heterocyclic Organic Compound. CAS No. 733740-61-9. Molecular formula: C14H15BrO3. Mole weight: 311.17785. Purity: 0.96. IUPACName: 2-[2-(3-bromophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Product ID: ACM733740619. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(2,3-Dimethylbenzoyl)cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(2,3-DIMETHYLBENZOYL)CYCLOHEXANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733742-80-8. Molecular formula: C16H20O3. Mole weight: 260.33. Purity: 0.96. IUPACName: (1R,2R)-2-(2,3-dimethylbenzoyl)cyclohexane-1-carboxylic acid. Canonical SMILES: CC1=CC=CC(=C1C)C(=O)C2CCCCC2C(=O)O. Density: 1.14g/cm³. Product ID: ACM733742808. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(2,3-Dimethylbenzoyl)cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(2,3-DIMETHYLBENZOYL)CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733741-12-3. Molecular formula: C15H18O3. Mole weight: 246.3. Purity: 0.96. IUPACName: (1R,2R)-2-(2,3-dimethylbenzoyl)cyclopentane-1-carboxylic acid. Density: 1.169g/cm³. Product ID: ACM733741123. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-[2-(3-Fluorophenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(3-FLUOROPHENYL)-2-OXOETHYL]CYCLOHEXANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 735274-90-5. Molecular formula: C15H17FO3. Mole weight: 264.29. Purity: 0.96. IUPACName: 2-[2-(3-fluorophenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Canonical SMILES: C1CCC(C(C1)CC(=O)C2=CC(=CC=C2)F)C(=O)O. Product ID: ACM735274905. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-[2-(3-Iodophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(3-IODOPHENYL)-2-OXOETHYL]CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733740-71-1. Molecular formula: C14H15IO3. Mole weight: 358.17. Purity: 0.96. IUPACName: 2-[2-(3-iodophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Density: 1.627g/cm³. Product ID: ACM733740711. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-[2-(3-Methoxyphenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(3-METHOXYPHENYL)-2-OXOETHYL]CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733740-56-2. Molecular formula: C15H18O4. Mole weight: 262.3. Purity: 0.96. IUPACName: 2-[2-(3-methoxyphenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Canonical SMILES: COC1=CC=CC(=C1)C(=O)CC2CCCC2C(=O)O. Density: 1.181g/cm³. Product ID: ACM733740562. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-[2-(4-Iodophenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(4-IODOPHENYL)-2-OXOETHYL]CYCLOHEXANE-1-CARBOXYLIC ACID, CTK9A3058, 735274-97-2. Product Category: Heterocyclic Organic Compound. CAS No. 735274-97-2. Molecular formula: C15H17IO3. Mole weight: 372.21. Purity: 0.96. IUPACName: 2-[2-(4-iodophenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Canonical SMILES: C1CCC(C(C1)CC(=O)C2=CC=C(C=C2)I)C(=O)O. Product ID: ACM735274972. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-[2-(4-Methoxyphenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-(4-METHOXYPHENYL)-2-OXOETHYL]CYCLOHEXANE-1-CARBOXYLIC ACID, 735274-77-8. Product Category: Heterocyclic Organic Compound. CAS No. 735274-77-8. Molecular formula: C16H20O4. Mole weight: 276.34. Purity: 0.96. IUPACName: 2-[2-(4-methoxyphenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid. Density: 1.152g/cm³. Product ID: ACM735274778. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(2,5-Dimethylbenzoyl)cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(2,5-DIMETHYLBENZOYL)CYCLOHEXANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733742-82-0. Molecular formula: C16H20O3. Mole weight: 260.33. Purity: 0.96. IUPACName: 2-(2,5-dimethylbenzoyl)cyclohexane-1-carboxylic acid. Canonical SMILES: CC1=CC(=C(C=C1)C)C(=O)C2CCCCC2C(=O)O. Density: 1.14g/cm³. Product ID: ACM733742820. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(2-Ethylbenzoyl)cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(2-ETHYLBENZOYL)CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733740-93-7. Molecular formula: C15H18O3. Mole weight: 246.3. Purity: 0.96. IUPACName: (1R,2R)-2-(2-ethylbenzoyl)cyclopentane-1-carboxylic acid. Canonical SMILES: CCC1=CC=CC=C1C(=O)C2CCCC2C(=O)O. Density: 1.168g/cm³. Product ID: ACM733740937. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(2-Nitrovinyl)thiophene
trans-2-(2-Nitrovinyl)thiophene. Group: Biochemicals. Alternative Names: 2- (2-Nitroethenyl) thiophene. Grades: Highly Purified. CAS No. 34312-77-1. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
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trans-2-(2-Nitrovinyl)thiophene 99+%
trans-2-(2-Nitrovinyl)thiophene 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g, 250g. US Biological Life Sciences.
trans-2-[2-Oxo-2-(4-nitrophenyl)ethyl]cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-[2-OXO-2-(4-NITROPHENYL)ETHYL]CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733740-78-8. Molecular formula: C14H15NO5. Mole weight: 277.27. Purity: 0.96. IUPACName: 2-[2-(4-nitrophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid. Canonical SMILES: C1CC(C(C1)C(=O)O)CC(=O)C2=CC=C(C=C2)[N+](=O)[O-]. Density: 1.321g/cm³. Product ID: ACM733740788. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,3,4,5,6-Pentafluoro-β-nitrostyrene
trans-2,3,4,5,6-Pentafluoro-β-nitrostyrene. Uses: Designed for use in research and industrial production. Product Category: Alkenyl. CAS No. 207605-39-8. Molecular formula: C7H4BrNO2S. Mole weight: 239.1. Product ID: ACM207605398. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(3-Chlorobenzoyl)cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(3-CHLOROBENZOYL)CYCLOHEXANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733742-78-4. Molecular formula: C14H15ClO3. Mole weight: 266.72. Purity: 0.96. IUPACName: (1R,2R)-2-(3-chlorobenzoyl)cyclohexane-1-carboxylic acid. Density: 1.284g/cm³. Product ID: ACM733742784. Alfa Chemistry ISO 9001:2015 Certified.
100g Pack Size. Group: Building Blocks, Organics, Research Organics & Inorganics. Formula: C4H6Br2O2. CAS No. 3234-2-4. Prepack ID 22602629-100g. Molecular Weight 245.9. See USA prepack pricing.
trans-2,3-Dibromo-2-butene-1,4-diol
trans-2,3-Dibromo-2-butene-1,4-diol. Uses: This product is suitable for scientific research. Additional or Alternative Names: 2,3-Dibromo-2-butene-1,4-diol. Product Category: Polymer/MacromoleculeAlcohol-Difunctional. CAS No. 3234-2-4. Molecular formula: C4H6Br2O2. Mole weight: 245.9 g/mol. Purity: 0.97. Canonical SMILES: OC\C(Br)=C(/Br)CO. ECNumber: 221-779-5. Product ID: ACM-MO-3234024. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,3-Dibromo-2-butene-1,4-diol
trans-2,3-Dibromo-2-butene-1,4-diol. Group: Biochemicals. Grades: Highly Purified. CAS No. 3234-2-4. Pack Sizes: 250g, 500g, 1kg, 2kg, 5kg. Molecular Formula: C4H6Br2O2. US Biological Life Sciences.
TRANS-2,3-DIFLUORO-1-METHOXY-4-(4-PENTYL-CYCLOHEXYL)-BENZENE. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2,3-DIFLUORO-1-METHOXY-4-(4-PENTYL-CYCLOHEXYL)-BENZENE. Product Category: Heterocyclic Organic Compound. CAS No. 609779-53-5. Product ID: ACM609779535. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,3-dihydro-3-hydroxyanthranilate isomerase
The enzyme is involved in phenazine biosynthesis. The product probably spontaneously dimerises to 1,4,5a,6,9,10a-hexahydrophenazine-1,6-dicarboxylate. Group: Enzymes. Synonyms: phzF (gene name); (5S,6S)-6-amino-5-hydroxycyclohexane-1,3-diene-1-carboxyate isomerase (incorrect). Enzyme Commission Number: EC 5.3.3.17. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5495; trans-2,3-dihydro-3-hydroxyanthranilate isomerase; EC 5.3.3.17; phzF (gene name); (5S,6S)-6-amino-5-hydroxycyclohexane-1,3-diene-1-carboxyate isomerase (incorrect). Cat No: EXWM-5495.
Isolated from the bacterium Pseudomonas aeruginosa. Involved in phenazine biosynthesis. Group: Enzymes. Synonyms: isochorismatase (ambiguous); phzD (gene name). Enzyme Commission Number: EC 3.3.2.15. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4000; trans-2,3-dihydro-3-hydroxyanthranilic acid synthase; EC 3.3.2.15; isochorismatase (ambiguous); phzD (gene name). Cat No: EXWM-4000.
trans (2,3)-Dihydro Tetrabenazine
A metabolite of Tetrabenazine in vivo. The trans izomer of Dihydrotetrabenazine is used for the treatment of hyperkinetic movement disorders. Group: Biochemicals. Alternative Names: (2R,3R,11bR)-rel-1,3,4,6,7,11b-Hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-ol; (2α,3 β,11b β)-1,3,4,6,7,11b-Hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-ol. Grades: Highly Purified. CAS No. 171598-74-6. Pack Sizes: 10mg. US Biological Life Sciences.
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trans-2,3-Dimethoxy-β-nitrostyrene
trans-2,3-Dimethoxy-β-nitrostyrene. Uses: Designed for use in research and industrial production. Product Category: Alkenes. CAS No. 37630-20-9. Molecular formula: C10H9F3. Mole weight: 209.2. Product ID: ACM37630209. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,4-Dichloro-β-nitrostyrene. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 642169_ALDRICH, 2,4-Dichloro-.omega.-nitrostyrene, NSC81882, ZINC00060160, trans-2,4-Dichloro-beta-nitrostyrene, Styrene, 2,4-dichloro-.beta.-nitro-, 2,4-Dichloro-1-[(E)-2-nitroethenyl]benzene, A0780/0036519, SR-01000631463-1, 18984-21-9, 34209-97-7. Product Category: Alkenyl. CAS No. 18984-21-9. Molecular formula: C8H5ClN2O2. Mole weight: 218.04. Purity: 0.96. IUPACName: 2,4-dichloro-1-[(E)-2-nitroethenyl]benzene. Canonical SMILES: C1=CC(=C(C=C1Cl)Cl)C=C[N+](=O)[O-]. Density: 1.447g/cm³. Product ID: ACM18984219. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,4-Difluorocinnamic acid
trans-2,4-Difluorocinnamic acid. Uses: Designed for use in research and industrial production. Product Category: Alkenyl Fluorinated Building Blocks. CAS No. 94977-52-3. Molecular formula: C7H7FN2O. Mole weight: 184.14. Product ID: ACM94977523. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,4-Difluorocinnamic acid
trans-2,4-Difluorocinnamic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 94977-52-3. Pack Sizes: 5g, 10g, 25g. Molecular Formula: C9H6F2O2. US Biological Life Sciences.
Worldwide
trans-2,4-Dimethyloxetane
trans-2,4-Dimethyloxetane. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Oxetane, 2,4-dimethyl-, trans-, CTK0J1319, 29424-94-0. Product Category: Heterocyclic Organic Compound. CAS No. 29424-94-0. Molecular formula: C5H10O. Mole weight: 86.132300 [g/mol]. Purity: 0.96. IUPACName: (2S,4S)-2,4-dimethyloxetane. Canonical SMILES: CC1CC(O1)C. Product ID: ACM29424940. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(4-Fluorobenzoyl)cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(4-FLUOROBENZOYL)CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733741-06-5. Molecular formula: C13H13FO3. Mole weight: 236.24. Purity: 0.96. IUPACName: (1R,2R)-2-(4-fluorobenzoyl)cyclopentane-1-carboxylic acid. Density: 1.296g/cm³. Product ID: ACM733741065. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(4-Methoxy-benzylamino)-cyclohexanol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(4-METHOXY-BENZYLAMINO)-CYCLOHEXANOL. Product Category: Heterocyclic Organic Compound. CAS No. 759402-65-8. Molecular formula: C14H21NO2. Mole weight: 235.32. Purity: 0.96. IUPACName: (1R,2R)-2-[(4-methoxyphenyl)methylamino]cyclohexan-1-ol. Canonical SMILES: COC1=CC=C(C=C1)CNC2CCCCC2O. Density: 1.09g/cm³. Product ID: ACM759402658. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(4-Methylbenzoyl)cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(4-METHYLBENZOYL)CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733740-81-3. Molecular formula: C14H16O3. Mole weight: 232.28. Purity: 0.96. IUPACName: (1R,2R)-2-(4-methylbenzoyl)cyclopentane-1-carboxylic acid. Canonical SMILES: CC1=CC=C(C=C1)C(=O)C2CCCC2C(=O)O. Density: 1.195g/cm³. Product ID: ACM733740813. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(4-N-Pentylbenzoyl)cyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(4-N-PENTYLBENZOYL)CYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 733741-10-1. Molecular formula: C18H24O3. Mole weight: 288.38. Purity: 0.96. IUPACName: (1R,2R)-2-(4-pentylbenzoyl)cyclopentane-1-carboxylic acid. Canonical SMILES: CCCCCC1=CC=C(C=C1)C(=O)C2CCCC2C(=O)O. Product ID: ACM733741101. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-(4-Thiomethylbenzoyl)cyclohexane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-(4-THIOMETHYLBENZOYL)CYCLOHEXANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 844856-85-5. Molecular formula: C15H18O3S. Mole weight: 278.37. Purity: 0.96. IUPACName: (1R,2R)-2-(4-methylsulfanylbenzoyl)cyclohexane-1-carboxylic acid. Density: 1.23g/cm³. Product ID: ACM844856855. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,5-Difluorocinnamic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (2E)-3-(2,5-Difluorophenyl)-2-propenoic acid. Product Category: Alkenyl Fluorinated Building Blocks. CAS No. 112898-33-6. Molecular formula: C9H6BrFO2. Mole weight: 184.14. Purity: 95%+. IUPACName: (E)-3-(2,5-Difluorophenyl)prop-2-enoic acid. Canonical SMILES: C1=CC(=C(C=C1F)C=CC(=O)O)F. Density: 1.3056 g/mL at 25 °C(lit.). Product ID: ACM112898336. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,5-Dimethylpiperazine
25g Pack Size. Group: Building Blocks, Organics, Piperazines. Formula: C6H14N2. CAS No. 2815-34-1. Prepack ID 57459985-25g. Molecular Weight 114.19. See USA prepack pricing.
trans-2,6-Dichloro-β-nitrostyrene
trans-2,6-Dichloro-β-nitrostyrene. Uses: Designed for use in research and industrial production. Product Category: Alkenyl. CAS No. 52287-52-2. Molecular formula: C8H4ClN3. Mole weight: 218.04. Product ID: ACM52287522. Alfa Chemistry ISO 9001:2015 Certified.
trans-2,6-Difluorocinnamic acid
trans-2,6-Difluorocinnamic acid. Uses: Designed for use in research and industrial production. Product Category: Alkenyl Fluorinated Building Blocks. CAS No. 102082-89-3. Molecular formula: C9H6F2O2. Mole weight: 184.14. Product ID: ACM102082893. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-Amino-cyclohexanecarboxylic acid ethyl ester hydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: trans-2-Amino-cyclohexanecarboxylic acid ethyl ester hydrochloride;Ethyl trans-2-amino-1-cyclohexane-carboxylate hydrochloride. Product Category: Heterocyclic Organic Compound. CAS No. 28250-14-8. Molecular formula: C9H18ClNO2. Mole weight: 207.7. Product ID: ACM28250148. Alfa Chemistry ISO 9001:2015 Certified.
trans-2-Aminocyclohexanol HCl
Aminocyclohexanol HCl. CAS No. 5456-63-3. Categories: trans-2-aminocyclohexanol hydrochloride.
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trans-2-Aminocyclohexanol hydrochloride
trans-2-Aminocyclohexanol hydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 222577_ALDRICH, AA222, trans-2-Aminocyclohexanol hydrochloride, 5456-63-3. Product Category: Amino Alcohols. Appearance: white or beige to light brown crystalline powder. CAS No. 5456-63-3. Molecular formula: C6H14ClNO. Mole weight: 151.63. Purity: 0.96. IUPACName: (1R,2R)-2-aminocyclohexan-1-ol hydrochloride. Canonical SMILES: C1CCC(C(C1)N)O.Cl. Density: 1.037g/cm³. Product ID: ACM5456633. Alfa Chemistry ISO 9001:2015 Certified. Categories: 13374-31-7.
Trans-2-Aminocyclo hexanol hydrochloride
Trans-2-Aminocyclo hexanol hydrochloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 13374-30-6. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C6H13NOHCl. US Biological Life Sciences.
Worldwide
trans-2-Benzoylcyclopentane-1-carboxylic acid
trans-2-Benzoylcyclopentane-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: TRANS-2-BENZOYLCYCLOPENTANE-1-CARBOXYLIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 28151-83-9. Molecular formula: C13H14O3. Mole weight: 218.25. Purity: 0.96. IUPACName: (1R,2R)-2-benzoylcyclopentane-1-carboxylic acid. Density: 1.226g/cm³. Product ID: ACM28151839. Alfa Chemistry ISO 9001:2015 Certified.