Category · 2269 products
Building Blocks
Building Blocks are essential organic compounds used in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. These versatile intermediates enable precise molecular construction in research and industrial applications. Molekula stocks a range of Building Blocks with full technical documentation and CoA per batch.
Every product here can be supplied in any quantity. Pack sizes and prices on the product pages are a starting point — tell us what you need and we'll manufacture, source and repack it, from grams to multi-tonne.
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4-Nitrobenzaldehyde
SKU 30127137 · CAS 555-16-8 · C7H5NO3 · MW 151.12 -
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4-Nitrobenzoic acid
SKU 47038532 · CAS 62-23-7 · O2NC6H4CO2H · MW 167.12 -
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4-Nitrobenzonitrile
SKU 90035069 · CAS 619-72-7 · C7H4N2O2 · MW 148.12 -
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4-Nitrobenzyl alcohol
SKU 18272683 · CAS 619-73-8 · O2NC6H4CH2OH · MW 153.14 -
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4-Nitrobenzyl chloride
SKU 46797071 · CAS 100-14-1 · O2NC6H4CH2Cl · MW 171.58 -
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4-Nitrophenol
SKU 10138826 · CAS 100-02-7 · C6H4(OH)NO2 · MW 139.11 -
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4-Nitrophenyl chloroformate
SKU 26898515 · CAS 7693-46-1 · ClCO2C6H4NO2 · MW 201.56 -
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4-Nitrophenylacetic acid
SKU 89966476 · CAS 104-03-0 · C8H7NO4 · MW 181.15 -
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4-Nitrophenylacetonitrile
SKU 10922744 · CAS 555-21-5 · C8H6N2O2 · MW 162.15 -
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4-Nitrophthalic acid
SKU 29966414 · CAS 610-27-5 · O2NC6H3(CO2H)2 · MW 211.13 -
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4-Nitrophthalonitrile
SKU 90030265 · CAS 31643-49-9 · C6H3(CN)2NO2 · MW 173.13 -
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4-Octyne
SKU 21082647 · CAS 1942-45-6 · C8H14 · MW 110.20 -
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4-Oxo-4-(3-pyridyl)-butanal
SKU 90035172 · CAS 76014-80-7 · C5H4NC(O)CH2CH2CHO · MW 163.17 -
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4-Oxo-4-(3-pyridyl)-butanoic acid
SKU 90035171 · CAS 4192-31-8 · C9H9NO3 · MW 179.17 -
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4-Phenoxyaniline
SKU 90034375 · CAS 139-59-3 · C6H5OC6H4NH2 · MW 185.22 -
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4-Phenoxybenzoic acid
SKU 90034373 · CAS 2215-77-2 · C6H5OC6H4COOH · MW 214.22 -
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4-Phenyl-1-cyclohexene
SKU 89988564 · CAS 4994-16-5 · C12H14 · MW 158.24 -
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4-tert-Butylphenol
SKU 13825313 · CAS 98-54-4 · (CH3)3CC6H4OH · MW 150.22 -
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4-Toluenesulfonyl chloride
SKU 90035481 · CAS 98-59-9 · CH3C6H4SO2Cl · MW 190.65 -
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4,4-bis(Dimethylamino)thiobenzophenone
SKU 89968072 · CAS 1226-46-6 · C17H20N2OS2 · MW 284.42 -
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4,4-Dichlorobenzhydrol
SKU 56493615 · CAS 90-97-1 · CH(OH)(C6H4Cl)2 · MW 253.12 -
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4,4-Dimethoxybutan-2-one
SKU 18435236 · CAS 5436-21-5 · CH3COCH2CH(OCH3)2 · MW 132.16 -
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4,4'-(Hexafluoroisopropylidene)diphenol (Bisphenol AF)
SKU 14562234 · CAS 1478-61-1 · (CF3)2C(C6H4OH)2 · MW 336.23 -
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4,4'-Biphenyldicarboxaldehyde
SKU 90028020 · CAS 66-98-8 · C14H10O2 · MW 210.23
Frequently asked
What does Molekula stock in the Building Blocks category?
Molekula stocks a range of Building Blocks products at research, semi-bulk and bulk scale. Browse the full list below or use the search to filter by name or CAS.
Does Molekula provide a CoA for Building Blocks products?
Yes — every batch ships with a Certificate of Analysis. You can also retrieve historical CoAs via the batch lookup on any product page.
Can Molekula supply Building Blocks in bulk quantities?
Bulk and custom pack sizes are available on request. Use the "Request a quote" button on any product page or visit /contact.
Need a quote?
Tell us the product, grade, and quantity — we usually respond within one working day.