Maksons Finechem Private Limited
Specialized non-GMP chemical intermediate and Key Starting Material (KSM) manufacturing for global pharmaceutical originators and innovators. Backed by 35+ years of chemical synthesis excellence, validated SAP S/4HANA traceability, and 24/7 continuous operations.
Commercial Scale & Verified Technical Assets
Dedicated non-GMP chemical synthesis facility (USFDA FEI #3003514633) engineered for flexible batch sizes, advanced intermediate synthesis, and rapid capacity expansion.
Site CampusPlot Nos. 324–327Maksons Finechem Synthesis Facility
10,300 m² Dedicated Chemical Manufacturing SiteOperating our dedicated manufacturing complex at Ankleshwar, Gujarat, delivering advanced chemical intermediates and KSMs under audited ISO 9001:2015 quality systems.
Reaction Bays20.13 KL Capacity13 Stainless Steel & Glass-Lined Reactors
From 250 L Boutique to 2,000 L Scale-Up VesselsHigh-hazard synthetic chemistry capabilities spanning cryogenic reactions at -10°C to high-temperature transformations at +250°C, backed by 30-foot alkaline scrubbers.
Operational Facility Layout & Departmental Zones
Physical infrastructure and operating zones documented directly from the verified on-site facility presentation.
Raw Materials Inward Intake & Quarantine Control
Station 01Inward IntakeRaw Material Receiving Bay
Dedicated dock with physical segregation and initial pre-inspection checks under sheltered canopy structure.
Station 02DecontaminationDe-Dusting Room
Exterior package de-dusting chamber with modular cleanroom panels and vacuum extraction before material transit into storage.
Station 03Mass VerificationWeight Verification Room
Calibrated floor balance check station with gravity roller conveyor verifying supplier tare and gross weights.
Station 04Regulatory HoldQuarantine Storage Area
Spacious epoxy-floored corridor holding unreleased raw material drums on clean pallets under strict SAP S/4HANA quarantine hold.
Station 05Aseptic SamplingSampling Booth
Stainless steel laminar airflow enclosure with HEPA filtration and protective PVC strip curtains preventing atmospheric cross-contamination.
Storage, Packaging & Material Dispensing Control
Station 06Approved StagingApproved Raw Material Storage Area
Spacious warehouse storage hall with epoxy flooring, structured pillars, and clean palletized drum storage for QC-approved chemical raw materials.
Station 07FIFO DispensingMaterial Dispensing Area
Controlled dispensing bay with stainless steel roller conveyor scale, digital weight indicator, vacuum dust extractor, and direct batch dispensing transfer.
Station 08Rejection QuarantineRejected Material Room
Dedicated lockable room with clear vision panel door and warning signage, ensuring physical quarantine segregation of non-conforming materials.
Station 09Packaging StoragePacking Material Room
Enclosed secondary packaging store with blue aluminum frame, shelving for paper bags and drum liners, and storage for clean HDPE carboys.
Station 10High-Bay StorageApproved Raw Material High Racking
Multi-tier industrial racking with barcode labeling and pallet containment for bulk chemical intermediate drums under SAP S/4HANA traceability.
Integrated Chemical CDMO & Intermediate Solutions
Operating from our dedicated Ankleshwar facility (USFDA FEI #3003514633), Maksons delivers a complete synthesis continuum — from route scouting and reaction calorimetry to multi-ton commercial intermediate manufacturing.
Contract Research & Process Development
Laboratory scouting & scale-up validationCo-located on-site Process Development lab in Ankleshwar conducting reaction calorimetry, DSC thermal screening, and yield optimization before plant batch charging.
- ✓Reaction calorimetry, DSC screening & RC1 exothermic risk profiling
- ✓Synthetic route scouting, yield optimization & impurity profiling
- ✓Direct tech-transfer protocol to Ankleshwar production floor
Contract Manufacturing Services
Non-GMP multi-step intermediate productionCommercial campaign manufacturing across 13 stainless steel and glass-lined reactors (20.13 KL operational capacity) with validated cleaning and batch consistency.
- ✓13 SSR & GLR reactors operating from -10°C cryogenic to +250°C
- ✓High-hazard chemistry: Halogenation, cyanation, nitration & reduction
- ✓30-foot alkaline scrubbers, closed-loop centrifuges & dryer isolation
Contract Development & Manufacturing
Integrated KSMs to commercial tonnageEnd-to-end partner for Key Starting Materials (KSMs), boutique-scale synthesis (250 L to 2,000 L), backward integration, and 100% customer IP retention.
- ✓Key Starting Material (KSM) synthesis & supply chain resilience
- ✓Boutique-scale volume agility for niche & orphan drug APIs
- ✓Strict CDA/NDA compliance & 100% customer IP retention
Four Strategic Chemistry Pillars
Specialized chemical reaction competencies supported by dedicated glass-lined and stainless steel reactors, cryogenic cooling, and 30-foot scrubbers.
Pillar 01High Hazard ChemistryHalogenation Mastery
Bromination & IodinationSpecialized glass-lined reactors, PTFE-lined headers, and 30-foot alkaline scrubbers engineered for selective mono, di, and poly-halogenated aromatic transformations.
Pillar 02Cyanation AgilityAdvanced Cyano-Chemistry
Nitriles & Amides via NaCNProven handling of sodium cyanide (NaCN) and cyanoacetic acid precursors for high-atom-economy synthesis of substituted benzonitriles and cyanoacetamides.
Pillar 03Thermal ModerationNitration & Reduction
Regioselective Isomer ControlControlled mixed-acid aromatic nitrations and selective catalytic reductions with documented isomer separation and rigorous exothermic safety limits.
Pillar 04High-Value MoleculesBoutique-Scale Synthesis
250 L to 2,000 L Volume AgilityFlexible small-to-medium-scale intermediate manufacturing designed for orphan drugs, niche oncology APIs, and high-purity regulatory starting materials.
Industrial Segments & Key Chemical Classes
Specialized pharmaceutical intermediate categories synthesized across our 13 stainless steel and glass-lined reactors at Ankleshwar.
Segment 01APIs & Core IntermediatesDrug Intermediates
Active Pharmaceutical Building Blocks- Dibenzo[b,e]oxepin-11(6H)-One (Doxepinone) | CAS: 4504-87-4
- 4-Phenoxybenzoic acid (Ibrutinib intermediate) | CAS: 2215-77-2
- 3,5-Dimethoxy Aniline (Erdafitinib precursor) | CAS: 10272-07-8
Segment 02Halogenation SynthesisBromo Compounds
Brominated Aromatics & Heterocycles- 4-(2-Bromoacetyl)benzonitrile (Isavuconazole) | CAS: 20099-89-2
- 1-Bromo-2,3-Dimethylbenzene (Medetomidine) | CAS: 576-23-8
- 2-Bromo Aniline (Vortioxetine intermediate) | CAS: 615-36-1
Segment 03High Atom EconomySpecialty Chemicals
Tailored Reagents & Fine Organics- N,N-Diethyl Cyano Acetamide (Entacapone) | CAS: 26391-06-0
- 1-[2-Chloro-4-(4-Chlorophenyl)-Butyl]-Imidazol (Butoconazole)
- 4-Chlorobutylferrocene (Organometallic Derivative)
Segment 0423 Pipeline IntermediatesDevelopment Pipeline
Pilot-Scale & Scaled Synthesis Programs- 2,5-Dibromo Toluene (Elbasvir pipeline) | CAS: 615-59-8
- 4-Iodo-3,5-Dimethylbenzamide (Eluxadoline) | CAS: 1206679-91-5
- 5-Chlorobenzo[d]oxazole (Suvorexant) | CAS: 17200-29-2
Commercial Intermediates & Pipeline Preview
Selected molecules from our 51 commercial catalog entries and 23 development-stage pipeline intermediates.
![Dibenzo[b,e]oxepin-11(6H)-One (Doxepinone)](/products/Doxepinone-Doxepin-Intermediate.jpg)
Dibenzo[b,e]oxepin-11(6H)-One (Doxepinone)
CAS: 4504-87-4API: DoxepinCore tricyclic nucleus for Doxepin antidepressant and psychotropic bulk actives.
4-Phenoxybenzoic acid
CAS: 2215-77-2API: IbrutinibAromatic ether carboxylic acid intermediate for BTK inhibitor Ibrutinib.
![1-[2-Chloro-4-(4-Chlorophenyl)-Butyl]-Imidazol](/products/1-2-Chloro-4-4-Chlorophenyl-Butyl-Imidazole.jpg)
1-[2-Chloro-4-(4-Chlorophenyl)-Butyl]-Imidazol
CAS: 68055-81-2API: ButoconazoleActive imidazole intermediate for Butoconazole antifungal drug synthesis.
4-(2-Bromoacetyl)benzonitrile
CAS: 20099-89-2API: IsavuconazoleAlpha-bromoketone coupling intermediate for Isavuconazole antifungal synthesis.
3,5-Dimethoxy Aniline
CAS: 10272-07-8API: ErdafitinibSubstituted aniline intermediate for FGFR inhibitor Erdafitinib oncology programs.
2-Bromo Aniline
CAS: 615-36-1API: VortioxetineHigh-purity ortho-bromoaniline for Vortioxetine multimodal antidepressant API.
2,5-Dibromo Toluene
CAS: 615-59-8API: ElbasvirDibrominated toluene building block for Elbasvir HCV antiviral pilot program.
4-Nitrophenyl 2-methanesulfonylacetate
CAS: 1158363-70-2API: SarolanerActivated nitrophenyl ester intermediate for Sarolaner veterinary antiparasitic.
5-Chlorobenzo[d]oxazole
CAS: 17200-29-2API: SuvorexantChlorinated benzoxazole heterocycle for Suvorexant orexin antagonist synthesis.
2,6-Dichloro Thiophenol
CAS: 24966-39-0API: ButoconazoleKey chlorinated thiophenol building block for Butoconazole synthesis.
Dibenzo[b,e]oxepin-11(6H)-One (Doxepinone)
CAS: 4504-87-4API: DoxepinCore tricyclic nucleus for Doxepin antidepressant and psychotropic bulk actives.
4-Phenoxybenzoic acid
CAS: 2215-77-2API: IbrutinibAromatic ether carboxylic acid intermediate for BTK inhibitor Ibrutinib.
1-[2-Chloro-4-(4-Chlorophenyl)-Butyl]-Imidazol
CAS: 68055-81-2API: ButoconazoleActive imidazole intermediate for Butoconazole antifungal drug synthesis.
4-(2-Bromoacetyl)benzonitrile
CAS: 20099-89-2API: IsavuconazoleAlpha-bromoketone coupling intermediate for Isavuconazole antifungal synthesis.
3,5-Dimethoxy Aniline
CAS: 10272-07-8API: ErdafitinibSubstituted aniline intermediate for FGFR inhibitor Erdafitinib oncology programs.
2-Bromo Aniline
CAS: 615-36-1API: VortioxetineHigh-purity ortho-bromoaniline for Vortioxetine multimodal antidepressant API.
2,5-Dibromo Toluene
CAS: 615-59-8API: ElbasvirDibrominated toluene building block for Elbasvir HCV antiviral pilot program.
4-Nitrophenyl 2-methanesulfonylacetate
CAS: 1158363-70-2API: SarolanerActivated nitrophenyl ester intermediate for Sarolaner veterinary antiparasitic.
5-Chlorobenzo[d]oxazole
CAS: 17200-29-2API: SuvorexantChlorinated benzoxazole heterocycle for Suvorexant orexin antagonist synthesis.
2,6-Dichloro Thiophenol
CAS: 24966-39-0API: ButoconazoleKey chlorinated thiophenol building block for Butoconazole synthesis.
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About Us
35+ years heritage since 1988, 10,300 m² site, 52 personnel, 24/7 operating model, 6 QMS pillars, and USFDA FEI #3003514633.
Our Business Segments
CDMO contract development, KSM backward integration, boutique-scale manufacturing, and risk-sharing engagement models.
Product Catalog
Interactive catalog indexing all 51 commercial products and 23 pipeline development intermediates with CAS and API lookup.
Research & Development
4 strategic chemistry pillars, 14 signature reactions, on-site Ankleshwar Process Development lab, and stage-gate scale-up.
Highlights & Infrastructure
13 reactors (20.13 KL), utilities, 10-station QC lab suite, validated SAP S/4HANA, and GPCB environmental consents.
Contact Us
Direct sales desk, technical quotation forms, WhatsApp support, 4 airport/railway transit hubs, and corporate network.