Sourcing
How do you qualify a cannabinoid API supplier?
By finding out what the company on the other end actually does, then asking for the documents that prove it. Most search results for a cannabinoid API supplier are directory listings, and a directory entry is a claim someone typed, not a qualification anyone performed. Three questions separate a manufacturer from a reseller quickly: who owns the process, which site makes the material and may it be audited, and what changes without you being told. A supplier who cannot answer the third is selling material they did not make.
Why are the directory listings for cannabinoid APIs misleading?
Because they are indexes of self-reported entries, and the column headings promise things these compounds cannot have. Search any cannabinoid alongside API and the first results are aggregator pages listing manufacturers, suppliers and exporters with columns for Drug Master File and Certificate of Suitability. Both columns are real regulatory instruments. Neither is available for CBG, CBGA, CBGV, CBDV, THCV, CBN or Cannflavin A, for reasons that have nothing to do with the companies listed.
The listings are still useful, as long as you read them as a contact list rather than a qualification. What they cannot tell you is the one thing that matters: whether the company synthesises the compound, repacks someone else's, or has never had it in the building.
What is a Drug Master File, and can a supplier have an approved one?
A DMF is a confidential submission describing how a material is made, so a drug sponsor can reference the chemistry in their own filing without the manufacturer handing over the process. For a drug substance it is a Type II DMF; Type III covers packaging, Type IV excipients, Type V is reference information.
No supplier has an approved one, because FDA does not approve them. The agency's own page is explicit that DMFs are neither approved nor disapproved, and that submitting one is not required by statute or regulation. The technical contents get reviewed when an application references the file — that review attaches to the application, not to the supplier. So "FDA-approved DMF" describes nothing. "We hold Type II DMF number 0xxxxx, and here is the letter of authorisation" describes something you can act on.
Can a cannabinoid hold a CEP?
Not today, and not because of anything a supplier has failed to do. A Certificate of Suitability is granted to manufacturers of substances covered by a monograph of the European Pharmacopoeia — the certificate says the monograph adequately controls that manufacturer's material. No monograph, nothing for a certificate to be suitable to.
There is no Ph. Eur. monograph for any of the seven compounds on this site. A CEP for any of them is therefore unavailable from every supplier on earth, which makes it a useful test question. Ask for one and listen to the answer: a supplier who says it is in progress has told you they do not know how the procedure works.
How do I tell a manufacturer from a distributor or a broker?
Ask about the parts of the job a reseller never touches. The answers separate quickly, and none of the questions is hostile — a real manufacturer answers them in a sentence each.
- Which site makes it, at what address, and when was it last audited by a customer?
- What is the starting material, and who supplies that?
- Who wrote the analytical method, and can you send the validation summary?
- What is your change-control notification: if the route or a raw material changes, how do I hear about it, and how long before shipment?
- Can I audit, and if not, why not?
- Is the material you quote made to order or held in stock, and what is the lot's manufacture date?
Which documents should arrive before a first order?
Six, and the first four should already exist. If a supplier has to create a certificate for a lot after you ask for it, the certificate is describing a test that happened after the sale.
- A certificate of analysis for the actual lot, naming the methods, not a typical-values sheet.
- A safety data sheet, current, in the format for your jurisdiction.
- The specification the material is sold against — identity, assay basis, impurity list with thresholds, residual solvents, heavy metals.
- Method validation or verification for the assay, at least a summary.
- Stability data, or a plain statement that there is none and the retest date is provisional.
- Written confirmation of what GMP is claimed, against which of the four regimes, and by which auditor.
What does this look like for Peregrine?
Peregrine synthesises rather than extracts, and the process is its own. Material ships as research-grade isolate specified at ≥99.9%, with identity by HPLC and assay as percent by weight on a certificate for the lot in the box. No GMP certification is claimed, no Drug Master File is filed, and none of these compounds is the active ingredient of an approved drug.
The honest version of the audit question is that there is a manufacturing site, there is a named analytical method, and both are open to a qualification conversation with a buyer who is serious about volume. Peregrine is working to supply all of it — API-grade material, certified standards and GMP-declared volume — at research and industrial scale worldwide, through its own patented synthesis process. Synthesis, registration and stability work sits with the NatSyn Lab at McMaster University, which holds the intellectual property behind the platform.
| The claim | Available for these compounds? | What to ask for instead |
|---|---|---|
| FDA-approved DMF | No — FDA approves no DMF, for any substance | The Type II DMF number and a letter of authorisation, if one exists |
| CEP for a cannabinoid API | No — requires a Ph. Eur. monograph, and none exists | The full specification, and whose method it was validated against |
| USP or Ph. Eur. grade | No — no monograph to be graded against | The in-house specification, in writing, on the purchase order |
| GMP certified | Sometimes — but against one of four unrelated regimes | Which GMP: ICH Q7, 21 CFR 211, 21 CFR 111 or ISO 22716, and the certificate |
| Certified reference standard | Yes — from ISO 17034 reference-material producers | The producer's accreditation scope and the assigned value's traceability |
| ≥99% isolate with a lot certificate | Yes — this is what the market actually supplies | The certificate for your lot, and the method behind each line of it |
What a supplier can hold today, by claim
Questions
Who are the cannabinoid API suppliers?
No company holds API status for CBG, CBGA, CBGV, CBDV, THCV, CBN or Cannflavin A, because no approved drug uses any of them as its active ingredient. The companies listed under that heading supply high-purity isolate. Peregrine is one of them, synthesising rather than extracting, and is working toward API-grade supply through its own patented process.
How do I find a CBG API manufacturer or a CBN API supplier?
Start from the compound page for the one you need, then qualify whoever you approach the same way: which site makes it, who owns the analytical method, what the change-control notification is, and whether you can audit. Directory listings are a contact list, not a qualification.
Is a cannabinoid API exporter the same as a manufacturer?
Often not. Exporter describes who ships the material across a border, which a trading company can do without ever making it. Ask for the manufacturing site address and the last customer audit date; a reseller cannot supply either.
Does FDA approve a Drug Master File?
No. FDA's guidance states DMFs are neither approved nor disapproved, and that filing one is not required by statute or regulation. The contents are reviewed only in connection with an application that references the file.
Can I get a CEP for CBG, CBN or THCV?
A CEP is not available for any of these compounds, from any supplier. A Certificate of Suitability certifies that a European Pharmacopoeia monograph adequately controls a given manufacturer's material, and none of these compounds has a Ph. Eur. monograph for it to refer to.
What is the difference between an API manufacturer and an API distributor?
The manufacturer owns the process, the site and the change control; the distributor owns inventory. Both can supply good material. Only one can tell you what happens to your specification when the route changes.
How do you qualify an API supplier when the compound has no monograph?
You replace the monograph with a written specification and make that the contract. Agree the identity method, the assay basis, the impurity list with its thresholds and the residual panels before the first order, put them on the purchase order, and require a lot-specific certificate that reports against each one. Where a compendial standard would normally settle a dispute, the agreed specification has to.
How do I check a cannabinoid API manufacturer?
Confirm they make it: the site address, the last customer audit, who wrote the analytical method, and the change-control notice you would receive if the route changed. Then confirm what they claim: which GMP regime, audited by whom, and a certificate you can read. A company that cannot name the site is reselling.
Is there a Drug Master File for a cannabinoid API?
None of CBG, CBGA, CBGV, CBDV, THCV, CBN or Cannflavin A has one. Filing is voluntary in any case, and FDA neither approves nor disapproves a DMF — it is reviewed only against an application that references it, under a letter of authorisation from the holder.
Should a supplier let me audit them?
A supplier selling into regulated use should expect the request and have an answer, even if the answer is a paper audit first. A flat refusal with no alternative is itself information.
Can Peregrine supply API-grade cannabinoids today?
No. Peregrine supplies research-grade isolate at ≥99.9% with a certificate for the lot, and is building toward API-grade material, certified standards and GMP-declared volume through its own patented synthesis process.
Sources
- FDA — Drug Master FilesDMFs are neither approved nor disapproved, and are not required by statute
- FDA — Types of Drug Master FilesType II covers the drug substance; III packaging, IV excipients, V reference information
- EDQM — Certification of suitability (CEP)Open to manufacturers of substances covered by a European Pharmacopoeia monograph
- ICH Q7Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients, Step 4, 2000
- 21 CFR 210.3(b)(7)FDA's definition of an active ingredient
- ISO 17034General requirements for the competence of reference material producers (paywalled)
The vocabulary
- What is an API (active pharmaceutical ingredient)?The regulatory definition, the five things it actually requires, and why a purity figure is not one of them.
- API grade vs research grade: what actually changesThe molecule is the same. What differs is how much of its history is documented, and who answers for it.
- Where do I buy a cannabinoid reference standard?Who actually sells them, what the certificate must say, and why ISO 17034 and 17025 are not interchangeable.
- GMP ingredients: which GMP, and what each one coversFour unrelated regimes share the word. Which certificate means what, and the three questions that settle a claim.
- What does pharma grade mean?An empty phrase doing a real job badly — and the five-line specification that replaces it.
By compound
- CBG — API, standard and GMP statusNo approved drug uses CBG, no USP standard exists, and what GMP CBG usually means.
- CBGA — API, standard and GMP statusThe precursor acid: no monograph, no drug programme, and what its stability question is.
- CBGV — API, standard and GMP statusThe varin branch precursor: scarce, campaign-based, no monograph.
- CBDV — API, standard and GMP statusThe one with real clinical history — and what missing an endpoint does and does not change.
- THCV — API, standard and GMP statusWhere today's purity falls short of an API bar, stated plainly.
- CBN — API, standard and GMP statusThe only one with any pharmacopoeial presence — and why an impurity limit is not a standard.
- Cannflavin A — API, standard and GMP statusA prenylated flavone, not a cannabinoid: preclinical, milligram-scale, no bulk supply anywhere.