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Building Blocks

Welcome to our Building Blocks section, where innovation meets versatility in chemical synthesis. Our comprehensive collection offers a diverse range of high-quality building blocks meticulously designed to serve as the foundation for molecular construction. Whether you're synthesizing small molecules, polymers, or biomolecules, our building blocks provide exceptional purity, reactivity, and diversity. From simple organic compounds to complex intermediates and functionalized motifs, we offer a comprehensive selection to suit your specific synthesis needs. Explore our catalog and unlock new possibilities in your research and development projects with superior building block quality and performance. Let us be your trusted partner in building the molecules of tomorrow.

  1. Fluorinated Building Blocks
  2. Halogenated Heterocycles
  3. Heterocyclic Building Blocks
  4. Organic Building Blocks
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Conjugation
  1. PE 1item
Grade
  1. Reagent Grade 4537items
  2. Moligand™ 474items
  3. analytical standard 286items
  4. AR 210items
  5. technical grade 152items
  6. Standard for GC 140items
  7. CP 95items
  8. ACS 38items
  9. PrimorTrace™ 30items
  10. anhydrous 18items
  11. sublimed grade 13items
  12. BioReagent 11items
  13. for cell culture 11items
  14. for GC derivatization 11items
  15. for molecular biology 11items
  16. indicator 11items
  17. for plant cell culture 10items
  18. for synthesis 10items
  19. PharmPure™ 10items
  20. Ultra pure 10items
  21. Distillation grade 9items
  22. GR 9items
  23. for elemental analysis 8items
  24. Biological Stain 7items
  25. electronic grade 7items
  26. Ph.Eur. 7items
  27. pharmaceutical grade 7items
  28. UltraPureChrom™ 7items
  29. USP 7items
  30. Chromatographic grade 6items
  31. for electrophoresis 6items
  32. for fluorescence analysis 5items
  33. BP 4items
  34. purum 4items
  35. Biological stain 3items
  36. for LC-MS 3items
  37. for protein sequencing 3items
  38. photographic grade 3items
  39. PureSpectra™ 3items
  40. SuperPure grade 3items
  41. Ultra dry 3items
  42. electrochemical grade 2items
  43. for environmental analysis 2items
  44. for HPLC derivatization 2items
  45. for insect cell culture 2items
  46. high-purity 2items
  47. Premium-Grade Reagents 2items
  48. PrimorTrace™ Ultra 2items
  49. Purifed 2items
  50. purum p.a. 2items
  51. Reference Standard 2items
  52. Spectrum pure 2items
  53. analytical reference 1item
  54. Basic-Grade Reagents 1item
  55. Biotechnology grade 1item
  56. ChP 1item
  57. FCC 1item
  58. for GC 1item
  59. for GC-HS 1item
  60. for HPLC 1item
  61. for ion pair chromatography 1item
  62. Isomer mixture 1item
  63. JP 1item
  64. JPE 1item
  65. laser grade 1item
  66. NMR grade 1item
  67. Premium pure 1item
  68. Proteomics grade 1item
  69. Reagent for Ion-Pair Chromatography 1item
  70. Scintillation Pure 1item
  71. Standard for quantitative NMR 1item
  72. Suitable for Analysis 1item
  73. Suitable for molecular biology 1item
  74. UV/VIS spectroscopy Grade 1item
  75. EnzymoPure™ 1item
Price
  1. $0.00 - $500.00 76596items
  2. $500.00 - $1,000.00 6397items
  3. $1,000.00 - $1,500.00 1679items
  4. $1,500.00 - $2,000.00 1015items
  5. $2,000.00 - $2,500.00 462items
  6. $2,500.00 - $3,000.00 180items
  7. $3,000.00 - $3,500.00 112items
  8. $3,500.00 - $4,000.00 68items
  9. $4,000.00 - $4,500.00 33items
  10. $4,500.00 - $30,334.91 115items
Action Type
  1. INHIBITOR 118items
  2. AGONIST 85items
  3. ANTAGONIST 58items
  4. ACTIVATOR 30items
  5. CHANNEL BLOCKER 18items
  6. BLOCKER 12items
  7. ALLOSTERIC MODULATOR 9items
  8. GATING INHIBITOR 7items
  9. CHELATING AGENT 6items
  10. DISRUPTING AGENT 2items
  11. PARTIAL AGONIST 2items
  12. POSITIVE MODULATOR 2items
  13. MODULATOR 1item
  14. NEGATIVE ALLOSTERIC MODULATOR 1item
  15. SEQUESTERING AGENT 1item
  16. SUBSTRATE 1item
Physical Form
  1. Solid 621items
  2. Liquid 187items
Purity
  1. ≥97% 30553items
  2. ≥98% 15615items
  3. ≥95% 14593items
  4. ≥98%(GC) 2471items
  5. ≥99% 1947items
  6. ≥96% 1730items
  7. ≥97%(GC) 759items
  8. ≥98%(HPLC) 758items
  9. ≥95%(GC) 554items
  10. ≥90% 459items
  11. ≥98%(T) 362items
  12. ≥99%(GC) 258items
  13. ≥96%(GC) 252items
  14. ≥98%(GC)(T) 161items
  15. ≥97%(HPLC) 155items
  16. ≥99.5%(GC) 117items
  17. ≥95%(HPLC) 111items
  18. ≥97%(T) 107items
  19. ≥98%(HPLC)(T) 106items
  20. ≥90%(GC) 93items
  21. ≥94% 87items
  22. ≥85% 86items
  23. ≥99.5% 70items
  24. ≥95%(T) 63items
  25. ≥80% 61items
  26. ≥93% 60items
  27. ≥98%(N) 54items
  28. ≥99.95% metals basis 54items
  29. ≥99%(HPLC) 47items
  30. ≥98%(HPLC)(N) 46items
  31. ≥93%(GC) 42items
  32. ≥92% 38items
  33. ≥99%(T) 38items
  34. ≥96%(HPLC) 32items
  35. ≥98%,≥99%(ee) 26items
  36. ≥99.9% metals basis 25items
  37. ≥90%(HPLC) 24items
  38. ≥99.99% metals basis 23items
  39. ≥96%(T) 19items
  40. ≥98.5% 19items
  41. ≥80%(GC) 18items
  42. ≥75% 16items
  43. ≥70% 15items
  44. ≥85%(GC) 12items
  45. ≥75%(GC) 11items
  46. ≥97%(GC)(T) 11items
  47. ≥98 atom% D,≥98% 11items
  48. ≥99.5%(T) 9items
  49. ≥99.8% 9items
  50. ≥99.999% metals basis 9items
  51. ≥97%(HPLC)(T) 8items
  52. ≥99.5% metals basis 8items
  53. ≥99.7%(GC) 8items
  54. ≥93%(HPLC) 7items
  55. ≥99%(HPLC)(T) 7items
  56. ≥85%(HPLC) 6items
  57. ≥88% 6items
  58. ≥95%,≥99%(ee) 6items
  59. ≥92%(GC) 5items
  60. ≥94%(GC) 5items
  61. ≥95%(N) 5items
  62. ≥98 atom% D 5items
  63. ≥99.7% metals basis 5items
  64. ≥99.8% metals basis 5items
  65. ≥99.8%(GC) 5items
  66. ≥40% 4items
  67. ≥60% 4items
  68. ≥91% 4items
  69. ≥98.0% 4items
  70. ≥99%,≥98%(ee) 4items
  71. ≥99.7% 4items
  72. ≥99.9%(GC) 4items
  73. ≥99.95% 4items
  74. ≥99.9999% metals basis 4items
  75. ≥50% 3items
  76. ≥70%(GC) 3items
  77. ≥80%(HPLC) 3items
  78. ≥85%(T) 3items
  79. ≥90%(T) 3items
  80. ≥93%(T) 3items
  81. ≥95%(HPLC)(T) 3items
  82. ≥96%(HPLC)(T) 3items
  83. ≥97%(mixture of isomers) 3items
  84. ≥98%(GC)(N) 3items
  85. ≥98.5%(GC) 3items
  86. ≥99% metals basis 3items
  87. ≥99%(NT) 3items
  88. ≥99.5%(HPLC) 3items
  89. ≥50%(GC) 2items
  90. ≥65%(GC) 2items
  91. ≥87% 2items
  92. ≥88%(GC) 2items
  93. ≥90%(N) 2items
  94. ≥95%(HPLC)(N) 2items
  95. ≥96%(GC)(T) 2items
  96. ≥97%(N)(T) 2items
  97. ≥97.0% 2items
  98. ≥97.5% 2items
  99. ≥98%(HPLC)(qNMR) 2items
  100. ≥98%(N)(T) 2items
  101. ≥98%,≥98atom%D 2items
  102. ≥99 atom% D,≥98% 2items
  103. ≥99%(GC)(T) 2items
  104. ≥99.0% 2items
  105. ≥99.6%(GC) 2items
  106. ≥99.997% metals basis 2items
  107. ≥99.998% metals basis 2items
  108. ≥48% 1item
  109. ≥55%(HPLC) 1item
  110. ≥60%(GC) 1item
  111. ≥60%(HPLC) 1item
  112. ≥60%(NMR) 1item
  113. ≥65% 1item
  114. ≥68% 1item
  115. ≥80%(mixture of isomers) 1item
  116. ≥80%(T) 1item
  117. ≥83%(GC) 1item
  118. ≥85%(NT) 1item
  119. ≥89% 1item
  120. ≥90% cyclodextrin basis(HPLC) 1item
  121. ≥90%(GC)(T) 1item
  122. ≥90%(HPLC)(Mixed spin) 1item
  123. ≥90%(mixture of isomers) 1item
  124. ≥90%(RT) 1item
  125. ≥90%(TLC) 1item
  126. ≥90%,(isomeric mixture) 1item
  127. ≥92%(total of isomer) 1item
  128. ≥94%(T) 1item
  129. ≥95 atom% D,≥98% 1item
  130. ≥95% (LC-MS) 1item
  131. ≥95%(mixture) 1item
  132. ≥95%(qNMR) 1item
  133. ≥95%(S) 1item
  134. ≥95%; 100%ee 1item
  135. ≥95.5%(HPLC) 1item
  136. ≥96%(N) 1item
  137. ≥96.5%(GC) 1item
  138. ≥96.5%(HPLC),≥96.5%(spectrophotometric assay) 1item
  139. ≥97%(AT) 1item
  140. ≥97%(HPLC),≥98%(ee) 1item
  141. ≥97%(isomeric mixture) 1item
  142. ≥97%(Mainly cis) 1item
  143. ≥97%(mixture) 1item
  144. ≥97%(N) 1item
  145. ≥97%(NT) 1item
  146. ≥97%(predominantly trans) 1item
  147. ≥97%,mixture of cis and trans 1item
  148. ≥97%,≥97%(ee) 1item
  149. ≥97%,≥98%(ee) 1item
  150. ≥98 atom% D(deuterated forms d0-d5),≥97% 1item
  151. ≥98 atom% D,≥95% 1item
  152. ≥98% (dry wt.) 1item
  153. ≥98% cyclodextrin basis(HPLC) 1item
  154. ≥98%(HPLC),≥98%(AT) 1item
  155. ≥98%(isomeric mixture) 1item
  156. ≥98%(mixture of cis and trans) 1item
  157. ≥98%(T)(HPLC) 1item
  158. ≥98%(W) 1item
  159. ≥98%(with less than 4% ethanol) 1item
  160. ≥98%,99%ee 1item
  161. ≥98.5%(HPLC) 1item
  162. ≥99 atom% D,≥95% 1item
  163. ≥99%(HPLC)(N) 1item
  164. ≥99%(HPLC),≥98%(T) 1item
  165. ≥99%(LC-MS) 1item
  166. ≥99%(metals basis for removing hafnium) 1item
  167. ≥99%(NMR) 1item
  168. ≥99%,≥99%(ee) 1item
  169. ≥99%,≥99.999% metals basis 1item
  170. ≥99.2% 1item
  171. ≥99.5%,ee99.5% 1item
  172. ≥99.6% 1item
  173. ≥99.9%(T) 1item
  174. ≥99.9995% metals basis 1item
  175. ≥99.999995% metals basis 1item
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