A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-Fluorobenzenesulfonamide. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 402-46-0. Mole weight: 175.18. Product ID: ACM402460. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzenesulfonyl chloride
4-Fluorobenzenesulfonyl chloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 349-88-2. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C6H4ClFO2S. US Biological Life Sciences.
Worldwide
4-Fluorobenzenesulfonyl chloride
4-Fluorobenzenesulfonyl chloride. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 349-88-2. Molecular formula: C7H7FN2S. Mole weight: 194.61. Product ID: ACM349882. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzenesulfonyl fluoride
4-Fluorobenzenesulfonyl fluoride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-FLUOROBENZENESULFONYL FLUORIDE. Product Category: Heterocyclic Organic Compound. CAS No. 368-85-4. Molecular formula: C6H4F2O2S. Mole weight: 178.16. Purity: 0.96. IUPACName: 4-fluorobenzenesulfonyl fluoride. Canonical SMILES: C1=CC(=CC=C1F)S(=O)(=O)F. Density: 1.432g/cm³. Product ID: ACM368854. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzenesulfonyl isocyanate
4-Fluorobenzenesulfonyl isocyanate. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 3895-25-8. Molecular formula: C7H4FNO3S. Mole weight: 201.17. Product ID: ACM3895258. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzenesulphonic acid
4-Fluorobenzenesulphonic acid (CAS# 368-88-7 ) is a useful research chemical. Synonyms: 4-Fluorobenzenesulphonic acid; 4-Fluoro-benzenesulfonic acid. CAS No. 368-88-7. Molecular formula: C6H5FO3S. Mole weight: 176.17.
4-Fluorobenzoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 456-22-4. Pack Sizes: 500g, 1kg, 2kg, 5kg, 10kg. Molecular Formula: C7H5FO2. US Biological Life Sciences.
Worldwide
4-Fluorobenzoic acid
4-Fluorobenzoic acid is a kind of biological materials or organic compounds that are widely used in life science research [1]. Uses: Scientific research. Group: Biochemical assay reagents. CAS No. 456-22-4. Pack Sizes: 25 g. Product ID: HY-W013677.
4-Fluorobenzoic acid 99+% (GC)
4-Fluorobenzoic acid 99+% (GC). Group: Biochemicals. Grades: GC. Pack Sizes: 100g, 250g, 1Kg, 5Kg, 10Kg. US Biological Life Sciences.
Worldwide
4-Fluorobenzoic Acid Methyl Ester
4-Fluorobenzoic Acid Methyl Ester. Group: Biochemicals. Alternative Names: p-Fluorobenzoic Acid Methyl Ester; 4-Methoxycarbonyl-1-fluorobenzene; Methyl 4-Fluorobenzoate; Methyl p-Fluorobenzoate; NSC 102770. Grades: Highly Purified. CAS No. 403-33-8. Pack Sizes: 10g. Molecular Formula: C8H7FO2, Molecular Weight: 154.139999999999. US Biological Life Sciences.
Worldwide
4-Fluorobenzoic acid,purified by sublimation
4-Fluorobenzoic acid,purified by sublimation. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 456-22-4. Molecular formula: C8H10FN. Mole weight: 140.11. Product ID: ACM456224. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzoic hydrazide
4-Fluorobenzoic hydrazide. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 456-06-4. Mole weight: 154.14. Product ID: ACM456064. Alfa Chemistry ISO 9001:2015 Certified. Categories: 4-Fluorobenzohydrazide.
4-Fluorobenzoic hydrazide
4-Fluorobenzoic hydrazide. Group: Biochemicals. Alternative Names: 4-Fluoro Benzene carbohydrazide. Grades: Highly Purified. CAS No. 456-06-4. Pack Sizes: 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
4-Fluorobenzoic hydrazide ≥97% (HPLC)
4-Fluorobenzoic hydrazide ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
4-Fluorobenzonitrile
4-Fluorobenzonitrile is used in the synthesis of flurenones, pharmaceutical prerequisites, as well as opiod receptor antagonists. Group: Biochemicals. Alternative Names: p-Fluorobenzonitrile; 1-Cyano-4-fluorobenzene; 4-Cyanofluorobenzene; 4-Fluorobenzonitrile; 4-Fluorocyanobenzene; NSC 88330; Para-fluorobenzonitrile; p-Cyanofluorobenzene; p-Fluorobenzonitrile; p-Fluorophenyl Cyanide. Grades: Highly Purified. CAS No. 1194-02-1. Pack Sizes: 10g. US Biological Life Sciences.
Worldwide
4-Fluorobenzonitrile
4-Fluorobenzonitrile. Group: Liquid crystal (lc) building blocks. Alternative Names: 1-Cyano-4-fluorobenzene. CAS No. 1194-02-1. Product ID: 4-fluorobenzonitrile. Molecular formula: 121.11. Mole weight: C7H4FN. C1=CC(=CC=C1C#N)F. InChI=1S/C7H4FN/c8-7-3-1-6 (5-9)2-4-7/h1-4H. AEKVBBNGWBBYLL-UHFFFAOYSA-N. 98%+.
4-Fluorobenzonitrile-d4
4-Fluorobenzonitrile-d4 is the labelled version of fluorobenzonitrile, a compound with industrial applications from solar cells to medicinal application as an anti-inflammatory. Group: Biochemicals. Alternative Names: 4-Fluoro-benzonitrile-2,3,5,6-d4. Grades: Highly Purified. CAS No. 1080497-29-5. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
4-Fluorobenzophenone
4-Fluorobenzophenone. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 345-83-5. Molecular formula: C13H9FO. Mole weight: 200.21. Product ID: ACM345835. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzophenone
4-Fluorobenzophenone. Group: Biochemicals. Grades: Highly Purified. CAS No. 345-83-5. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C13H9FO. US Biological Life Sciences.
Worldwide
4-Fluorobenzotrifluoride
4-Fluorobenzotrifluoride. Uses: Designed for use in research and industrial production. Product Category: Alcohols. CAS No. 402-44-8. Mole weight: 164.1. Product ID: ACM402448. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzoylacetonitrile
4-Fluorobenzoylacetonitrile. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 4640-67-9. Molecular formula: C9H6F2O4. Mole weight: 163.15. Product ID: ACM4640679. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzoyl acetonitri le
4-Fluorobenzoyl acetonitri le. Group: Biochemicals. Alternative Names: 4-Fluorophenacyl cyanide; 3-Oxo-3- (4-fluorophenyl) propionitrile. Grades: Highly Purified. CAS No. 4640-67-9. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C9H6FNO. US Biological Life Sciences.
Worldwide
4-Fluorobenzoyl acetonitri le ≥97% (HPLC)
4-Fluorobenzoyl acetonitri le ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
4-Fluorobenzoylchloride
Fluorobenzoylchloride. CAS No. 403-43-0. Categories: 4-fluorobenzoyl chloride.
4-Fluorobenzyl Alcohol. Group: Biochemicals. Alternative Names: p-Fluorobenzyl Alcohol; (4-Fluorophenyl)methanol; 4-Fluorobenzenemethanol; NSC 63347; p-Fluorophenylmethanol. Grades: Highly Purified. CAS No. 459-56-3. Pack Sizes: 10g. Molecular Formula: C7H7FO, Molecular Weight: 126.13. US Biological Life Sciences.
Worldwide
4-Fluorobenzyl alcohol 99+% (GC)
4-Fluorobenzyl alcohol 99+% (GC). Group: Biochemicals. Grades: GC. CAS No. 459-56-3. Pack Sizes: 100g, 250g, 25g, 1Kg. US Biological Life Sciences.
Worldwide
4-Fluorobenzylamine
4-Fluorobenzylamine. Uses: Designed for use in research and industrial production. Product Category: Aryl Fluorinated Building Blocks. CAS No. 140-75-0. Mole weight: 125.14. Product ID: ACM140750. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzylamine
4-Fluorobenzylamine. Group: Biochemicals. Alternative Names: (4-Fluorophenyl) methanamine. Grades: Highly Purified. CAS No. 140-75-0. Pack Sizes: 100g, 250g, 500g, 1kg, 2kg. Molecular Formula: C6H4CH2NHF. US Biological Life Sciences.
Worldwide
4-Fluorobenzylamine Hydrobromide
4-Fluorobenzylamine Hydrobromide. Group: Perovskite solar cell (psc) materials.
4-Fluorobenzylamine HydroIodide. Group: Perovskite solar cell (psc) materials. Alternative Names: 4-Fluorobenzylammonium Iodide. CAS No. 2097121-30-5. Molecular formula: 253.06 g/mol. Mole weight: C7H8FN HI. >98.0%(HPLC).
4-Fluorobenzylamine Hydroiodide, ≥98%
4-Fluorobenzylamine Hydroiodide, ≥98%. Group: Electronic chemicals. CAS No. 2097121-30-5.
4-Fluorobenzyl bromide
4-Fluorobenzyl bromide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Benzene, 1-(bromomethyl)-4-fluoro-. Product Category: Bromine Series. CAS No. 459-46-1. Molecular formula: C7H6BrF. Mole weight: 189.02. Purity: 98%+. IUPACName: 1-(bromomethyl)-4-fluorobenzene. Canonical SMILES: C1=CC(=CC=C1CBr)F. Density: 1.517 g/ml. Product ID: ACM459461. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzyl Bromide
4-Fluorobenzyl Bromide is a substituted benzyl bromide reagent used in the preparation of wide range of biologically active compounds such as bronchodialators, neurochemicals and antibacterials. Group: Biochemicals. Alternative Names: 1-(Bromomethyl)-4-fluorobenzene; p-Fluorobenzyl Bromide; α-Bromo-4-fluorotoluene; α-Bromo-p-fluorotoluene. Grades: Highly Purified. CAS No. 459-46-1. Pack Sizes: 50g. US Biological Life Sciences.
Worldwide
4-Fluorobenzyl carbamimidothioate hydrochloride
4-Fluorobenzyl carbamimidothioate hydrochloride. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences.
Worldwide
4-Fluorobenzyl chloride
4-Fluorobenzyl chloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 352-11-4. Pack Sizes: 50g, 100g, 250g, 500g, 1Kg. Molecular Formula: C7H6ClF. US Biological Life Sciences.
Worldwide
4-Fluorobenzyl chloride
4-Fluorobenzyl chloride. Uses: Designed for use in research and industrial production. Product Category: Aryl. CAS No. 352-11-4. Mole weight: 144.57. Product ID: ACM352114. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobenzylmagnesium chloride 0.25m&
4-Fluorobenzylmagnesium chloride 0.25m&. Group: Salt. Alternative Names: 6-Methoxy-2-naphthylmagnesium bromide solution, 38046-82-1, 646946_ALDRICH, AKOS015916526, I14-51303, 6-Methoxy-2-naphthylmagnesium bromide 0.5 M in Tetrahydrofuran. CAS No. 38046-82-1. Product ID: magnesium; 6-methoxy-2H-naphthalen-2-ide; bromide. Molecular formula: 261.4. Mole weight: C11H9BrMgO. COC1=CC2=CC=[C-]C=C2C=C1. [Mg+2]. [Br-]. DMMNAMUAQVNNBC-UHFFFAOYSA-M. 96%.
4-Fluoro-β-nitrostyrene(sum of isomers). Uses: Designed for use in research and industrial production. Product Category: Alkenyl. CAS No. 706-08-1. Mole weight: 167.14. Product ID: ACM706081-1. Alfa Chemistry ISO 9001:2015 Certified.
4'-Fluoro-biphenyl-3-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 10540-39-3. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C13H9FO2. US Biological Life Sciences.
Worldwide
4'-Fluorobiphenyl-3-carboxylic acid 98+% (HPLC)
4'-Fluorobiphenyl-3-carboxylic acid 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
4'-Fluorobiphenyl-4-carbaldehyde ≥97% (GC)
4'-Fluorobiphenyl-4-carbaldehyde ≥97% (GC). Group: Biochemicals. Grades: GC. Pack Sizes: 250mg, 1g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
4'-Fluoro-biphenyl-4-carboxylic acid
4'-Fluoro-biphenyl-4-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 5731-10-2. Pack Sizes: 500mg, 1g, 2g, 5g. US Biological Life Sciences.
Worldwide
4'-Fluorobiphenyl-4-carboxylic acid
4'-Fluorobiphenyl-4-carboxylic acid. Group: Biochemicals. Grades: Reagent Grade. CAS No. 5731-10-2. Pack Sizes: 1g, 5g. US Biological Life Sciences.
Worldwide
4'-Fluorobiphenyl-4-sulfonyl chloride
4'-Fluorobiphenyl-4-sulfonyl chloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4PNS-Q05-0, 4-Fluorobiphenyl-4-sulfonyl chloride, MO 07015, 116748-66-4. Product Category: Aryl Fluorinated Building Blocks. CAS No. 116748-66-4. Molecular formula: C12H7ClF2O2S. Mole weight: 270.71. Purity: 0.96. IUPACName: 4-(4-fluorophenyl)benzenesulfonyl chloride. Canonical SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)S(=O)(=O)Cl)F. Density: 1.384g/cm³. Product ID: ACM116748664. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobromobenzene
1-bromo-4-fluorobenzene is a colorless liquid. (NTP, 1992). Group: Liquid crystal (lc) building blocks. Alternative Names: 1-bromo-4-fluoro-benzen; 1-Fluoro-4-bromobenzene; 4-Bromfluorbenzol; 4-Fluorbrombenzol; 4-Fluoro-1-bromobenzene; 4-Fluorophenyl bromide; 4-fluorophenylbromide; Benzene, 1-bromo-4-fluoro-. CAS No. 460-00-4. Product ID: 1-bromo-4-fluorobenzene. Molecular formula: 175g/mol. Mole weight: C6H4BrF. C1=CC(=CC=C1F)Br. InChI=1S/C6H4BrF/c7-5-1-3-6 (8)4-2-5/h1-4H. AITNMTXHTIIIBB-UHFFFAOYSA-N.
4-Fluoro bupropion
4-Fluoro bupropion. Group: Biochemicals. Alternative Names: p-Fluoro-a-tert-butyl aminopropiophenone; 2-[(1,1-Dimethylethyl)amino]-1-(4-fluorophenyl)-1-propanone. Grades: Highly Purified. CAS No. 1076198-12-3. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C13H18FNO. US Biological Life Sciences.
Worldwide
4-Fluoro bupropion
4-Fluoro bupropion. Uses: Designed for use in research and industrial production. Additional or Alternative Names: p-Fluoro-α-tert-butylaminopropiophenone; 2-[(1,1-Dimethylethyl)amino]-1-(4-fluorophenyl)-1-propanone. Product Category: Heterocyclic Organic Compound. CAS No. 1076198-12-3. Molecular formula: C13H18FNO. Mole weight: 223.29. Purity: 0.96. IUPACName: 2-(tert-butylamino)-1-(4-fluorophenyl)propan-1-one. Canonical SMILES: CC(C(=O)C1=CC=C(C=C1)F)NC(C)(C)C. Product ID: ACM1076198123. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorobutyl 4-methylbenzenesulfonate
4-Fluorobutyl 4-methylbenzenesulfonate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Fluorobutyl tosylate, 4-Fluorobutyl 4-methylbenzenesulfonate, p-Toluenesulfonic acid, 4-fluorobutyl ester, 4-Fluorobutyl p-toluenesulphonate, BRN 3314841, 433-10-3, AC1Q6YAF, AC1L28ON, CTK4I7231, AR-1G2335, AG-J-17110, LS-154169, 1-Butanol, 4-fluoro-,1-(4-methylbenzenesulfonate), Benzenesulfonic acid, 4-methyl-, 4-fluorobutyl ester, TOLUENE-4-SULFONIC ACID 4-FLUORO-BUTYL ESTER, Benzenesulfonic acid, 4-methyl-, 4-fluorobutyl ester (9CI), 1-Butanol,4-fluoro-, 4-methylbenzenesulfonate (9CI); 1-Butanol, 4-fluoro-,p-toluenesulfonate (6CI,8CI). Product Category: Heterocyclic Organic Compound. CAS No. 433-10-3. Molecular formula: C11H15FO3S. Mole weight: 246.298 g/mol. Purity: 0.96. IUPACName: 4-fluorobutyl 4-methylbenzenesulfonate. Canonical SMILES: CC1=CC=C(C=C1)S(=O)(=O)OCCCCF. Density: 1.179g/cm³. Product ID: ACM433103. Alfa Chemistry ISO 9001:2015 Certified.
4'-Fluorochalcone
4'-Fluorochalcone. Group: Biochemicals. Alternative Names: 2-Benzal-4'-fluoroacetophenone; 1-(4-Fluorophenyl)-3-phenyl-2-propen-1-one. Grades: Highly Purified. CAS No. 399-10-0. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
Worldwide
4'-Fluorochalcone 99+% (HPLC)
4'-Fluorochalcone 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
4-Fluorocinnamic acid
White powder, 98%. CAS No. 14290-86-9. Pack Sizes: 10g, 50g. Product ID: FR-0078. M.P. 204-206. Mole weight: 166.15.
Frinton Laboratories
4-Fluorocinnamic acid
4-Fluorocinnamic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 459-32-5. Pack Sizes: 5kg, 10kg, 25kg. US Biological Life Sciences.
Worldwide
4-Fluorocinnamoyl chloride,predominantly trans
4-Fluorocinnamoyl chloride,predominantly trans. Uses: Designed for use in research and industrial production. Product Category: Alkenyl Fluorinated Building Blocks. CAS No. 13565-08-7. Molecular formula: C5H4ClFO3. Mole weight: 184.59. Product ID: ACM13565087. Alfa Chemistry ISO 9001:2015 Certified.
4-Fluorocinnamoyl Chloride Predominantly Trans
4-Fluorocinnamoyl Chloride Predominantly Trans. CAS No: 13565-08-7
4-Fluoro-D-b-homophenylalanine hydrochloride 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences.
Worldwide
4-Fluorodiphenylamine
4-Fluorodiphenylamine. Group: Small molecule semiconductor building blockssemiconductor blocks. Alternative Names: 4-FLUORODIPHENYLAMINE; 4-Fluorodiphenylamine97%; N-(4-Fluorophenyl)aniline. CAS No. 330-83-6. Product ID: 4-fluoro-N-phenylaniline. Molecular formula: 187.21. Mole weight: C12H10FN. C1=CC=C(C=C1)NC2=CC=C(C=C2)F. RBWCFTJQRDTIBX-UHFFFAOYSA-N. 96%.
4-Fluoro-DL-glutamic Acid
4-Fluoro-DL-glutamic acid is used as a reagent to synthesize analogues of Methotrexate, which is a folic acid antagonist used as an antineoplastic and antirheumatic. Synonyms: 4-Fluoroglutamic Acid; 4-Fluoroglutamic Acid; DL-4-Fluoroglutamic Acid; 2-Amino-4-fluoropentane-1,5-dioic acid; 4-Fluoro-Glutamic Acid; threo-4-fluoroglutamic acid; D,L-erythro,threo-4-fluoroglutamic acid. Grades: ≥95%. CAS No. 2708-77-2. Molecular formula: C5H8FNO4. Mole weight: 165.12.
4-Fluoro-DL-phenylalanine
4-Fluoro-DL-phenylalanine is a phenylalanine derivative in which the hydrogen at position 4 on the benzene ring is replaced by a fluoro group. It is a phenylalanine derivative, a non-proteinogenic alpha-amino acid and a member of monofluorobenzenes. Synonyms: DL-Phe(4-F)-OH; p-Fluoro-DL-phenylalanine; 2-Amino-3-(4-fluorophenyl)propionic acid; 4-Fluorophenylalanine; p-fluorophenylalanine; dl-4-Fluorophenylalanine; Alnasid; DL-p-Fluorophenylalanine; DL-3-(4-Fluorophenyl)alanine; h-dl-phe(4-f)-oh; D,L-Fluorophenylalanine; D,L-p-Fluorophenylalanine. Grades: ≥ 99% (HPLC). CAS No. 51-65-0. Molecular formula: C9H10FNO2. Mole weight: 183.18.
4-Fluoro-DL-phenylalanine
4-Fluoro-DL-phenylalanine. Group: Biochemicals. Alternative Names: H-DL-Phe(4-F)-OH. Grades: Highly Purified. CAS No. 51-65-0. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: FC6H4CH2CH(NH2)COOH. US Biological Life Sciences.
Worldwide
4-Fluoro-DL-phenylalanine98+%
4-Fluoro-DL-phenylalanine98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g, 250g. US Biological Life Sciences.