Buyer Fit
- Overseas importers and distributors
- Manufacturers, formulators, trading companies, and ingredient buyers
- Human-reviewed RFQ before supplier matching
Back to homeFine chemicals, excipients, intermediates, and custom-spec sourcing
Pharma Intermediates and Fine Chemicals sourcing from China
Buyer-facing pages for fine chemical and pharma-related sourcing where batch traceability, impurity profile, and human review matter more than public catalog claims.
Importer need
Clarify whether the purchase is for excipient, nutraceutical ingredient, fine chemical, or intermediate, then define purity, assay, residual solvents, and document depth.
Product options stay organized around quote readiness: CAS number, grade, assay, application, package, documents, quantity, and delivery destination.
Subcategory map
Choose a subcategory before asking factories for quotes.
Each subcategory maps to real buyer search terms and RFQ details: CAS number, grade, purity, package style, MOQ, samples, documents, and export packing.
Fine chemical intermediatesGeneral fine-chemical intermediate sourcing with impurity profile and human review before quotation.
2-aminopyridine2-aminopyridine supplier China2-aminopyridine COA SDS2-aminopyridine export grade4-aminophenol
Pharma and nutraceutical ingredientsIngredient sourcing with grade separation, traceability, and intended-use clarity before supplier matching.allantoin USPallantoin USP supplier Chinaallantoin USP COA SDSallantoin USP export gradeglucosamine HCl
Excipients and solventsExcipients and fine solvents sourced with document depth and liquid package review.microcrystalline cellulose MCCmicrocrystalline cellulose MCC supplier Chinamicrocrystalline cellulose MCC COA SDSmicrocrystalline cellulose MCC export gradepovidone K30
Custom specification materialsBuyer-specific spec sourcing where assay, impurity, and retained-sample expectations are set up front.battery grade lithium carbonatebattery grade lithium carbonate supplier Chinabattery grade lithium carbonate COA SDSbattery grade lithium carbonate export gradebattery grade lithium hydroxide
Small-volume high-value sourcingLow-volume, higher-value material sourcing with tighter communication, traceability, and commercial review.biotinbiotin supplier Chinabiotin COA SDSbiotin export gradefolic acid
Documents
- Batch traceability, assay, related substances, residual solvent, and moisture profile
- Human review for controlled, restricted, or market-sensitive intermediates
- COA, SDS, DMF-related support only where supplier scope clearly allows it
Packing / Logistics
- Drum, IBC, bag, carton, pallet, label, and container loading
- MOQ, lead time, samples, DG marks, and warehouse inspection
Export Questions
- What is the intended use: intermediate, excipient, nutraceutical, or industrial fine chemical?
- Which pharmacopoeia, impurity, residual solvent, or microbiology limits apply?
- What document scope is required before sample or commercial shipment?
Product options
Representative options for quote preparation.
Each product page summarizes specifications, use cases, packaging checks, related search terms, and questions a buyer should confirm before supplier comparison.
Sourcing candidate for spec-checked RFQIntermediatesRFQ
4-Fluorotoluene (p-Fluorotoluene) CAS 352-32-9
Buyer-facing source note for 4-Fluorotoluene / p-Fluorotoluene, CAS 352-32-9, offered as an organic analytical reagent grade fine chemical intermediate. Page indicates 99% purity, custom packaging support, and export-oriented supply from Shandong, China. Best suited for buyers who need CAS/spec confirmation, impurity review, and document-ready quotation checks before RFQ.
Organic intermediate / fine chemical intermediate
CAS No. 352-32-9Product name: 4-Fluorotoluene / p-FluorotolueneGrade shown: AR (Analytical Reagents)
Human reviewIntermediatesRFQ
Steroid-Related Organic Intermediate Candidate — CAS Requires Verification
Buyer-facing sourcing candidate for an organic intermediate advertised for controlled chemical or pharmaceutical manufacturing supply chains. The listing contains conflicting identifiers and specifications, including CAS 1099-08-1 in the title, CAS 2226-96-2 in extracted basic specs, and CAS 7753-60-8 in the product description for 21-Hydroxy-20-methyl-pregn-4-ene-3-one. Overseas buyers should treat this as a documentation-first RFQ item and request confirmation of exact CAS, molecular identity, grade, impurity profile, export eligibility, and batch-specific COA before technical or commercial evaluation.
Organic intermediate / steroid-related fine chemical candidate
CAS identifiers shown conflict: 1099-08-1, 2226-96-2, and 7753-60-8 all appear in the source materialAdvertised product name: 21-Hydroxy-20-methyl-pregn-4-ene-3-one, subject to supplier confirmationAdvertised grade: Industrial / pharma intermediate, to be clarified as non-GMP, GMP, research, pilot, or commercial manufacturing grade
Packaging candidate - verify resin, closure, compatibility, and export documentsIntermediatesRFQ
250 mL PE Plastic Bottle for Chemical and Personal Care Packaging
Small-volume 250 mL PE plastic bottle candidate for buyers sourcing empty packaging for daily chemical, personal care, agricultural, veterinary, medical, or food-related filling applications. This is not a chemical substance listing and does not require CAS verification, but buyers should confirm resin grade, closure compatibility, dimensional drawings, leak-test criteria, migration or food-contact documentation where relevant, and export packing details before RFQ confirmation.
Empty PE plastic packaging bottle
Material: PE plastic, supplier-stated non-toxic materialCapacity: 250 mLModel: TY-PE0136W
Human reviewIntermediatesRFQ
Perfluorobutylethylene PFBE CAS 19430-93-4 Specialty Fluorinated Intermediate
Buyer-facing sourcing profile for Perfluorobutylethylene (PFBE), CAS 19430-93-4, offered as a specialty fluorinated intermediate. Overseas buyers should confirm identity by CAS, assay, grade, impurity profile, stabilizer status if applicable, packing configuration, SDS/COA readiness, and export/DG classification before RFQ or sample order.
Specialty fluorinated intermediate
CAS No.: 19430-93-4Product name: Perfluorobutylethylene / PFBEDeclared purity: 99% on source page; buyer should confirm test method and batch COA
Candidate for RFQ after CAS, COA, SDS, grade, and transport-classification verificationIntermediatesRFQ
Diethylene Glycol Diformate CAS 120570-77-6 Fine Chemical Intermediate
Buyer-facing sourcing profile for Diethylene Glycol Diformate CAS 120570-77-6 offered as a fine chemical intermediate. The source listing indicates 99% purity, AR grade claims, Shandong origin, and customizable packaging, but several attribute fields appear inconsistent and should be verified before quotation or sample approval.
Fine chemical intermediate / organic reagent candidate
CAS No.: 120570-77-6Product name: Diethylene Glycol DiformatePurity claim: 99% as listed; request COA confirmation with test method
Human reviewIntermediatesRFQ
Methyl Oxalyl Chloride CAS 5781-53-3 Fine Chemical Intermediate
Buyer-facing sourcing candidate for Methyl Oxalyl Chloride, also referenced as Methyl Chlorooxoacetate, CAS 5781-53-3. The source listing states 99% purity and AR grade, but overseas buyers should request batch-level COA, impurity profile, packaging confirmation, and transport classification review before RFQ approval.
Fine chemical intermediate / organic intermediate
CAS No.: 5781-53-3Product name: Methyl Oxalyl ChlorideSynonym on listing: Methyl Chlorooxoacetate
Candidate for RFQ after CAS, COA, SDS, impurity, packing, and export-document verificationIntermediatesRFQ
Monoethyl Adipate CAS 626-86-8 AR Grade Fine Chemical Intermediate
Monoethyl Adipate CAS 626-86-8 is offered as a 99% purity fine chemical intermediate / organic analytical reagent from a Shandong, China supplier. Buyer verification should focus on CAS identity, assay method, AR grade suitability, impurity profile, non-DG declaration support, packing format, and export document readiness before RFQ confirmation.
Fine chemical intermediate / organic analytical reagent
CAS No.: 626-86-8Product name: Monoethyl AdipateReported purity: 99%
Human reviewIntermediatesRFQ
(Z)-2-Methoxyimino-2-(furyl-2-yl) Acetic Acid Ammonium Salt CAS 97148-39-5
Sourcing candidate for overseas buyers seeking CAS 97148-39-5 as a fine chemical or pharmaceutical/agrochemical intermediate. The supplier listing indicates 98-99.5% purity, solid brown form, 25 L barrel packing, China origin, and HS code 2932190090. Buyers should verify CAS identity, Z-isomer specification, assay method, impurity profile, batch COA, export documentation, and destination-country compliance before RFQ confirmation.
Fine chemical intermediate; pharmaceutical/agrochemical intermediate candidate
CAS No.: 97148-39-5Chemical name: (Z)-2-Methoxyimino-2-(furyl-2-yl) acetic acid ammonium saltSynonyms include AMF and ammonium-2-methoxyimino furylacetate
Candidate usable only as industrial filtration spare part; not suitable as a chemical intermediate product pageIntermediatesRFQ
Vacuum Pump Oil Mist Filter / Oil-Air Separator Element 730080, 731400, 731401
Replacement oil mist filter element for vacuum pump systems, supplied as an industrial filtration spare part rather than a chemical intermediate. Buyers should confirm part-number compatibility, filter media specification, operating pressure/temperature limits, oil mist removal performance, packing format, HS code, and export documentation before RFQ placement.
Industrial filtration equipment part / vacuum pump oil mist separator
Product name: Vacuum pump oil mist filter / oil-air separator elementReference part numbers: 730080, 731400, 731401 and related replacement codesApplication: Vacuum pump system oil mist separation
Compliance Focus
- Batch traceability, assay, related substances, residual solvent, and moisture profile
- Human review for controlled, restricted, or market-sensitive intermediates
- COA, SDS, DMF-related support only where supplier scope clearly allows it
RFQ Questions
- What is the intended use: intermediate, excipient, nutraceutical, or industrial fine chemical?
- Which pharmacopoeia, impurity, residual solvent, or microbiology limits apply?
- What document scope is required before sample or commercial shipment?