Pharmaceutical Chemicals

Product Name: (2S,4S)-(+)-PENTANEDIOL Synonyms: (2S,4S)-(+)-2,4-DIHYDROXYPENTANE;(2S,4S)-(+)-2,4-P , ENTANEDIOL; (2S,4S)-2,4-PENTANEDIOL;(2S,4S)-(+) , -PENTANEDIOL;[S-(S*,S*)]-(+)-2,4-PENTANEDIOL; ( , S,S)-PENTANEDIOL-2,4;(S,S)-(+)-2,4-PENTANEDIOL;(2S , ,4S)-(+)-PENTANEDIOL 99% Product Categories: Chiral Oxygen;organic alcohol;Chiral Compounds;Diols;chiral;Chiral Building Blocks;Simple Alcohols (Chiral);Synthetic Organic Chemistry Melting point  45-48 °C (lit.) alpha  +41.2° (c 10, CHCl3) Boiling point  111-113C density  0.9917 (rough estimate) refractive index  54 ° (C=10, EtOH) Fp  215 °F storage temp.  0-6°C pka 14.74±0.20(Predicted) form  Crystalline Powder color  White

Minimum Order: 10 long tons

Product Name: (2R,4R)-(-)-PENTANEDIOL Synonyms: (R,R)-PENTANEDIOL-2,4;[R-(R*,R*)]-(-)2,4-PENTANEDI , OL;(R,R)-(-)-2,4- PENTANEDIOL;(2R,4R)-(-)-2,4-D , IHYDROXYPENTANE;(2R,4R)-(-)-2,4-PENTANEDIOL; (2 , R,4R)-2,4-PENTANEDIOL;(2R,4R)-(-)-PENTANEDIOL;(R,R , )-(-)-2,4-PENTANEDIOL 98.5+% Product Categories: Chiral Oxygen;organic alcohol;Chiral Compounds;Chiral Building Blocks;Organic Building Blocks;Polyols;Diols;chiral;Chiral Building Blocks;Simple Alcohols (Chiral);Synthetic Organic Chemistry Melting point  48-50 °C(lit.) alpha  -41.2° (c 10, CHCl3) Boiling point  111-113 °C19 mm Hg(lit.) density  0.9917 (rough estimate) refractive index  -53.5 ° (C=10, EtOH) Fp  215 °F storage temp.  0-6°C pka 14.74±0.20(Predicted) form  crystal color  white optical activity [α]21/D 40.4°, c = 10 in chloroform

Minimum Order: 10 long tons

Product Name: (2S,5S)-(+)-HEXANEDIOL Synonyms: (2S,5S)-Dihydroxyhexane;(2S,5S)-(+)-HEXANEDIOL, 99% (99% EE/GLC); (25,55)2-5HEXANEDIOL extrapure;(2S,5S)-(+)-HEXANEDIOL, 99% EE, 99%;(2S,5S)-(+)- Hexanediol ee;(2S,5S)-(+)-2,5-Hexanediol,99%;(2S,5S)-(+)-Hexa , nediol,99%,99% ee; (2S,5S)-(+)-Hexanediol, 99% ee, 99% 250MG Product Categories: organic alcohol;Aliphatics;chiral;Chiral Reagents;Chiral Building Blocks;Chiral Alcohols;Chiral Compounds;Diols;Simple Alcohols (Chiral);Synthetic Organic Chemistry;Chiral Building Blocks;Organic Building Blocks;Polyols alpha  +39.4° (c 1, CHCl3) Boiling point  212-215 °C(lit.) density  0.9843 (rough estimate) refractive index  1.4428 (estimate) Fp  215 °F storage temp.  2-8°C pka 14.87±0.20(Predicted) form  Crystals color  White

Minimum Order: 10 long tons

Product Name: (2R,5R)-2,5-HEXANEDIOL Synonyms: (2R,5R)-(-)-2,5-HEXANEDIOL;(2R,5R)-2,5-HEXANEDIOL; , (2R,5R)-2,5- DIHYDROXYHEXANE;(2R,5R)-DIHYDROXYH , EXANE;(2R,5R)-HEXANE-2,5- DIOL;Hexanediolcolorl , essxtl;(2R,5R)-2,5-Hezanediol;(2R,5R)-(-)-2,5-Hexa , nediol,99% Product Categories: Chiral Compounds;Diols;Chiral Building Blocks;Simple Alcohols (Chiral);Synthetic Organic Chemistry;organic alcohol;Chiral Building Blocks;Organic Building Blocks;Polyols Melting point  52-54 °C alpha  -39.6° (c 1, CHCl3) Boiling point  212-215 °C density  0.9843 (rough estimate) refractive index  1.4428 (estimate) Fp  101 °C storage temp.  2-8°C pka 14.87±0.20(Predicted) form  Crystalline Powder or Needles color  White to yellow optical activity [α]20/D 35±2°, c = 9% in chloroform

Minimum Order: 10 long tons

Product Name: (S)-1-(2-BROMOPHENYL)ETHANOL Synonyms: (S)-1-(2-BROMOPHENYL)ETHANOL;(S)-(-)-2-BROMO-ALPHA , -METHYLBENZYL ALCOHOL;(S)-2-BROMO-ALPHA-METHYLBENZYL ALCOHOL;(S)-2-Bromo-alpha-methylbenzyl alcohol, 98% ee;(S)-1-(o-Bromophenyl)ethanol;(S)-α-Methyl-2-br , omobenzenemethanol; (S)-α-Methyl-2-bromobenzyl alcohol;(αS)-α-Methyl-2-bromobenzenemethanol , Product Categories: chiral;Chiral Reagent;Alcohols;Chiral Building Blocks;Organic Building Blocks Melting point  56-58 °C(lit.) Boiling point  128 °C15 mm Hg(lit.) density  1.3646 (rough estimate) refractive index  1.5610 (estimate) pka 14.01±0.20(Predicted) optical activity [α]30/D 54°, c = 1 in chloroform

Minimum Order: 10 long tons

Product Name: (R)-1-(2-BROMOPHENYL)ETHANOL Synonyms: (R)-(+)-2-BROMO-ALPHA-METHYLBENZYL ALCOHOL;(R)-2-BROMO-ALPHA- METHYLBENZYL ALCOHOL;(R)-1-(2-BROMOPHENYL)ETHANOL;(R)-(-)-2-BRO , MO-1-PHENYLETHANOL; (r)-(+)-2-bromo-α-methylbe , nzyl alcohol;(R)-2-BROMO-ALPHA-METHYLBENZYL ALCOHOL, 95%, 98% EE;(R)-2-Bromo-alpha-methylbenzyl alcohol, 98% ee;(R)-1-(2- BroMohenyl)ethanol Product Categories: chiral;Chiral Reagent;Alcohols;Chiral Building Blocks;Organic Building Blocks Melting point  54-56 °C (lit.) Boiling point  243.5±0.0 °C(Predicted) density  1.470±0.06 g/cm3(Predicted) pka 14.01±0.20(Predicted) optical activity [α]22/D +54°, c = 1 in chloroform

Minimum Order: 10 long tons

Product Name: (S)-(+)-1-Phenyl-1,2-ethanediol Synonyms: (S)-1-Phenyl-1,2-ethanediol,99%e.e.;(S)-(+)-1-PHEN , YLETHANEDIOL;(S)- (-)-1-PHENYL-1,2-ETHANEDIOL;( , S)-ALPHA,BETA-DIHYDROXYETHYLBENZENE;S(+)- PHENY , LETHYLENE GLYCOL;(S)-(+)-PHENYL-1,2-ETHANEDIOL;(S)-(+)-STYRE , NEGLYCOL;(S)- STYRENE GLYCOL Product Categories: Aromatics;Chiral Reagents;Chiral Compounds;Diols;chiral;Intermediates;Chiral Building Blocks;Simple Alcohols (Chiral);Synthetic Organic Chemistry Melting point  64-67 °C(lit.) alpha  66 º (c=1, chloroform) Boiling point  272-274 °C (755 mmHg) density  1.0742 (rough estimate) refractive index  40 ° (C=3, H2O) Fp  320 °F pka 13.61±0.20(Predicted) optical activity [α]18/D +66°, c = 1 in chloroform Water Solubility  soluble

Minimum Order: 10 long tons

Product Name: L-Leucine benzyl ester p-toluenesulfonate salt Synonyms: L-LEUCINE BENZYL ESTER 4-TOLUENESULFONATE SALT;L-LEUCINE BENZYL ESTER MONOTOSYLATE;L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE;L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE SALT;L-LEUCINE BENZYL ESTER-P-TOSYLATE;L-LEUCINE BENZYL ESTER (P-TOSYL) SALT;L-LEUCINE BENZYL ESTER PTSA;L-LEUCINE BENZYL ESTER TOLUENE-4- SULFONATE Product Categories: Amino Acids;I - ZPeptide Synthesis;Amino Acids;Amino Acid Derivatives;Leucine;Modified Amino Acids;Leucine [Leu, L];Amino Acids and Derivatives;Amino Acid Benzyl Esters;Amino Acids (C-Protected);Biochemistry;Peptide Synthesis Melting point  153-160 °C refractive index  5 ° (C=2, DMF) storage temp.  2-8°C optical activity [α]20/D +5.0±0.3°, c = 2% in DMF

Minimum Order: 10 long tons

Product Name: L-tert-Leucine Synonyms: (S)-(+)-LEUCINE;RARECHEM AB PP 3754;L-A-AMINO-G-METHYL VALERIC ACID;L-A-AMINOISOCAPROIC ACID;L-2-AMINO-4-METHYLVALERIC ACID;LEUCINE, L-;LEU;LEUCINE Product Categories: Telaprevir intermediate;.;API intermediates;PROTECTED AMINO ACID & PEPTIDES;Amino Acids;Leucine [Leu, L];Amino acids, non natural;Chiral Compounds;API;Peptide;amino acid Melting point  ≥300 °C (lit.) alpha  6.3 º (c=4, 6 N HCl 200 ºC) Boiling point  217.7±23.0 °C(Predicted) density  1.1720 (estimate) refractive index  -9 ° (C=3, H2O) storage temp.  Store at RT. solubility  1 M HCl: 50 mg/mL pka 2.39±0.12(Predicted) form  powder color  White to almost white optical activity [α]20/D 9.5°, c = 3 in H2O Water Solubility  125.5 g/L (20 ºC)

Minimum Order: 10 long tons

Product Name: (S)-N-Boc-3-Bromophenylalanine Synonyms: BOC-L-3-BROMOPHE;BOC-L-3-BROMOPHENYLALANINE;BOC-3- , BROMO-L- PHENYLALANINE;BOC-S-PHE(3-BR)-OH;BOC-P , HE(3-BR)-OH;(S)-3-(3-BROMO-PHENYL)-2-TERT- BUTO , XYCARBONYLAMINO-PROPIONIC ACID;(S)-N-BOC-3-BROMOPHENYLALANINE;(S)-N-ALPHA-T- , BUTYLOXYCARBONYL-3-BROMO-PHENYLALANINE Prod , uct Categories: Phenylalanine analogs and other aromatic alpha amino acids;Amino Acids Melting point  106.1°C Boiling point  475.3±40.0 °C(Predicted) density  1.5311 (rough estimate) refractive index  1.6500 (estimate) storage temp.  Store at 0°C pka 3.81±0.10(Predicted) Water Solubility  Slightly soluble in water.

Minimum Order: 10 long tons

Product Name: (R)-N-Boc-3-Bromophenylalanine Synonyms: (R)-N-BOC-3-Bromophenylalanine, 98% ee;(R)-N-BOC-3- BromophenylalanineN-tert-Butoxy , carbonyl-3-bromophenyl-D-alanine;Boc-D-3-Br-Phe- OH;Boc-D-3-Br-Phe-OH Boc-3-BroMo-D-Phenylalanine;N-Boc-3-broMo-D-phenyl , alanine, 98%;(R)-N-BOC-3-BROMOPHENYLALANINE;N-ALPHA-T-B , UTOXYCARBONYL-(3-BROMO-D- PHENYL)ALANINE;(R)-3- , (3-BROMO-PHENYL)-2-TERT-BUTOXYCARBONYLAMINO-PROPIO , NIC ACID Product Categories: Phenylalanine analogs and other aromatic alpha amino acids;Amino Acids;Amino Acid Derivatives;a-amino Boiling point  475.3±40.0 °C(Predicted) density  1.5311 (rough estimate) refractive index  1.6500 (estimate) storage temp.  Store at 0°C form  Powder pka 3.81±0.10(Predicted) color  White

Minimum Order: 10 long tons

Product Name: 3-Bromo-L-phenylalanine Synonyms: 3-Bromo-L-phenylalanine;(S)-2-Amino-3-(3'-Brom , ophenyl)Propanoic Acid; (L)-Bromophenyl alanine;3-Br-L-Phe-OH;(S)-2-((3-bromophenyl)amino) , propanoic acid;L- Phe(3-Br)-OH;m-Bromo-L-phenylalanine;L- , 3-BR-PHE-OH Product Categories: Amino Acid Derivatives;Amino Acids Boiling point  368.4±32.0 °C(Predicted) density  1.588±0.06 g/cm3(Predicted) pka 2.16±0.10(Predicted) Water Solubility  Slightly soluble in water.

Minimum Order: 10 long tons

Product Name: 3-Bromo-D-phenylalanine Synonyms: 3-Bromo-D-phenylalanine;D-3-Br-phe;D-Phenylalanine , , 3-bromo-;3-Bromo- D-phenylalanine USP/EP/BP Product Categories: Amino Acids Boiling point  368.4±32.0 °C(Predicted) density  1.588±0.06 g/cm3(Predicted) storage temp.  Store at RT. Chemical Properties: White powder

Minimum Order: 10 long tons

Product Name: TETRAETHYL METHYLENEDIPHOSPHONATE Synonyms: methylenedi-phosphonicacitetraethylester;METHYLENE , DIPHOSPHONIC ACID TETRAETHYL ESTER;AURORA KA- 1506;BIS(DIETHOXYPHOSPHINYL)METHANE;TETRAET , HYL(METHYLENE)BISPHOSPHONATE;TETRAETHYL METHYLENEDIPHOSPHONATE;Tetraethyl methylenediphosphonate, 98+%;methanediyl-bis- phosphonic acid tetraethyl ester Product Categories: Naphthyridine,Quinoline Boiling point  171-174 °C11 mm Hg(lit.) density  1.16 g/mL at 25 °C(lit.) refractive index  n20/D 1.442(lit.) Fp  >230 °F form  Liquid color  Clear yellow to yellow-brown Specific Gravity 1.160 Water Solubility  Slightly miscible with water.

Minimum Order: 10 long tons