Compare measurements
Do ratio, marker content and assay basis describe the same requirement?
Practical tools to bring purchasing, formulation and quality requirements into one conversation.
Use the checklist to prepare your next supplier conversation. Download a copy with your selections.
Selections stay in this page only. This worksheet is an editorial aid, not a qualification certificate.
Measured reference-material values, patent-reported examples and hypothetical calculations are kept separate. None is presented as our lot-testing data.
Choose a source-labelled sourcing brief to keep the listed attributes, original links and open questions with your project. These summaries are not TDS documents, COAs or binding quotations.
Review the current offered grade and relevant lot documents before purchase.
Use this shared route for MOQ, samples and delivery questions. Current commercial conditions are confirmed for the particular offer.
Name the material or explain the application. A quantity, target grade, destination or deadline helps when known; unanswered specification questions can remain in the first enquiry.
Use the exact botanical or chemical identity, plant part where relevant, composition and grade. Resolve conflicting source-listing values before treating a material as an approved option.
Identify which current specification, analytical method, COA or safety record your team needs. Confirm which grade and lot each document describes.
Ask for the offered quantity, minimum order, packaging, quotation validity, payment and delivery terms. None is confirmed merely by submitting a form or reading a platform listing.
If a sample is available, confirm quantity, costs, dispatch conditions and its relationship to a future lot. Approve the agreed material definition and commercial terms before an order.
Agree on the delivery destination, shipping documents and lot-specific records. Contact the team before sending anything to the company address; it is not a published sample-return or warehouse address.
A source listing may state a minimum quantity, but the current offered grade, packaging and order must be confirmed. Product pages retain source-listed values when present; ask for the current quantity and unit in the quotation.
Yes. Describe the material or intended use and the decision you need help with. Add known constraints; do not guess an assay, carrier or quantity just to complete a form.
Availability has to be checked for the named material and intended evaluation. A sample enquiry does not confirm dispatch, a free sample, a fee, or equivalence to a later lot.
Provide the grade, quantity, packaging, destination and timing requirement. Ask which availability and logistics conditions apply to the offer. This website does not publish one lead time for every material.
The catalogue supports ingredient trading and sourcing enquiries. It does not establish a finished-supplement, private-label, extraction-equipment or contract-manufacturing service.
Do ratio, marker content and assay basis describe the same requirement?
Which record answers an identity, composition or lot-results question?
What must be defined before judging a sample?