Additives and precursors
Additives and precursors are the reagents, radical initiators, and synthetic intermediates used as starting points or supporting materials in organic synthesis and drug manufacturing. These standards support synthesis method development, polymerization chemistry, and pharmaceutical process chemistry where a precursor needs confirming before the next step. Sourcing from a dedicated supplier means every additive or precursor, however specialized its role, arrives with verified identity, documented purity, and a certificate of analysis. A synthesis often depends on several of these supporting materials working correctly together.
Showing all 7 results
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(R)-1-Aminoindane Hydrochloride
CAS Number: 10305-73-4
Molecular Formula: C9 H11 N . Cl H
Catalogue Number: RCLS2L104811
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4-[2’-(7’’-Deazaguanine)ethyl]benzoic Acid N-Hydroxysuccinimide Ester
CAS Number: 204257-65-8
Molecular Formula: C19 H17 N5 O5
Catalogue Number: RCLS2L126802
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Azobisisobutyronitrile
CAS Number: 78-67-1
Molecular Formula: C8 H12 N4
Catalogue Number: RCLS2L108184
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Gabapentin Enacarbil Sodium Salt
CAS Number: 912486-72-7
Molecular Formula: C16 H26 N O6 . Na
Catalogue Number: RCLS2L146533
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Methylamine (2M in THF)
CAS Number: 74-89-5
Molecular Formula: C H5 N
Catalogue Number: RCLS2L161325
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Pemetrexed acid
CAS Number: 137281-39-1
Molecular Formula: C15 H14 N4 O3
Catalogue Number: RCLS2L104305
Certified Additives and Precursors for Organic Synthesis
Reliable additives and precursors matter throughout organic synthesis, since a reaction can fail or behave unpredictably if a supporting reagent, such as a radical initiator or activating agent, is not what it’s assumed to be. Certified identity and purity reduce that risk considerably.
Clinivex supplies a range of additives and precursor compounds used in organic synthesis and pharmaceutical process chemistry, each backed by a certificate of analysis. Our technical team can help source related reagents through our global supplier network when your synthesis route calls for something outside our standard catalogue.
As an ISO 9001:2015 and GMP certified supplier working with laboratories and pharmaceutical manufacturers across the USA and Canada, we focus on accurate documentation and dependable delivery for every order. We keep a close eye on the handling and storage requirements for reactive additives like radical initiators, since improper storage before it reaches you can affect performance just as much as the compound’s initial purity.
Many of these compounds work alongside materials in the broader building blocks category, which covers additional synthesis components. Activated esters used specifically in bioconjugation work are covered in more depth under active esters and additives. Contact our team to request a quote or check availability for a specific additive or precursor.
why Choose Clinivex?
At Clinivex, we earn trust by delivering impeccable service, expert guidance, and reliable solutions that drive long-term success. With a skilled team and customer-first approach, we stand as a leading pharmaceutical reference standards supplier in the USA and Canada.
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Frequently Asked Questions
A radical initiator starts a polymerization or radical reaction by generating reactive species that trigger the process, making its purity and reliability important for a predictable outcome.
Confirming a precursor’s identity and purity upfront helps ensure the synthesis steps that follow proceed as expected, rather than discovering an issue only after several additional steps have been completed.
An additive supports or modifies a reaction, such as a radical initiator, while a precursor is the starting material that gets chemically transformed into the target molecule itself.
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