"USP grade" means the material meets the specification in its United States Pharmacopeia monograph: identity, assay and impurity limits, shown on a batch Certificate of Analysis (CoA). It is a claim about a published standard, not a brand name and not a purity number on its own.
Written for buyers, QA staff and students in India, with the checks to make on a Certificate of Analysis.
What is the full form of USP?
USP stands for United States Pharmacopeia. A pharmacopoeia is a book of official quality standards for medicinal substances. For each substance it publishes a monograph: the identity tests, the assay range and the impurity limits a material must meet to carry that monograph's name.
The United States Pharmacopeia is published with the National Formulary as one combined publication, USP–NF, by the United States Pharmacopeial Convention, which also publishes the Food Chemicals Codex (FCC). So "USP grade" is shorthand for "United States Pharmacopeia grade": the material is stated to meet that book's monograph for the substance.
The word "grade" adds no meaning of its own. USP grade is not a purity tier or a separate product line. It is a pass statement against one named document.
What does USP grade actually tell you?
It states that the producer tested a batch against the monograph and that the results fell inside its limits; the batch CoA is where you check that. Which tests apply depends on the substance: a monograph sets identity tests, assay methods and impurity limits.
It does not tell you who made the material, whether it suits your formulation, or that a regulator has approved it for your product. Nor does it fix the version. Since July 2025 the USP–NF has been published online as six issues a year, and each document carries its own official date. There is no single "USP 2026 edition", so a bare "USP" on a CoA names the book, not the version of the monograph.
A USP-grade claim is only checkable if the paper shows at least the monograph name, its official date and the numeric results for that batch.
USP vs NF: what is the difference?
NF stands for National Formulary. It is published in the same combined publication as the USP. The difference lies in what each part mostly covers.
As a working rule, USP monographs mostly cover drug substances (active ingredients), and NF monographs mostly cover excipients: the carriers, solvents, humectants, binders and processing aids that make up a formulation around the active. A material sold as "NF grade" meets the NF monograph for that excipient.
Treat that as a rule of thumb, not a guarantee: some long-established excipients carry a USP monograph rather than an NF one. Your specification should quote the monograph exactly as it is titled in the USP–NF, and for an excipient, writing "USP–NF" avoids an argument over the label.
Whether a supplier writes USP, NF or USP/NF, ask for the monograph name and official date on the CoA, and match both to your own material specification.
USP vs FCC vs ACS vs LR/AR: how do the grade labels compare?
Some grade labels point to a published standard and some do not. IP is added because it is the legal reference for drugs in India.
| Grade label | Published standard? | Publisher | Typical use | What to ask for |
|---|---|---|---|---|
| USP | Yes: USP monographs | United States Pharmacopeial Convention (USP–NF) | Mostly drug substances | Monograph name, official date, numeric batch results |
| NF | Yes: NF monographs | United States Pharmacopeial Convention (USP–NF) | Mostly excipients | Monograph as titled in the USP–NF, official date |
| FCC | Yes: Food Chemicals Codex | USP | Food ingredients | Monograph and FCC edition (FCC 15 effective 1 June 2026) |
| ACS | Yes: ACS Reagent Chemicals | American Chemical Society | Laboratory reagents | Current ACS specification and the lot analysis against it |
| IP | Yes: Indian Pharmacopoeia | Indian Pharmacopoeia Commission, Ghaziabad | Drugs in India | Monograph and IP edition (IP 2026 released 2 January 2026) |
| LR / AR / GR | No single standard | Each vendor | Laboratory and analytical use | The vendor's written specification and a CoA with numbers |
What do FCC, ACS and AR grade mean?
FCC is the Food Chemicals Codex, published by USP. FCC 15 took effect on 1 June 2026. It is a food-ingredient standard, so a USP monograph is not a food-grade claim and an FCC monograph is not a pharmacopoeial one. Our guide to food-grade chemicals and FCC covers the food side.
ACS Reagent Chemicals is published by the American Chemical Society, whose Committee on Analytical Reagents maintains it. The 11th edition became the version of record in 2016, and ACS has since treated the online version as the record. Check the current version on the ACS site rather than quoting an edition number.
LR (laboratory reagent), AR (analytical reagent) and GR are vendor-defined labels, not one legal standard. Unlike ACS, FCC and the pharmacopoeial grades (IP, BP, USP, NF, Ph. Eur.), they do not point to a published monograph, so each vendor decides what they mean. Never accept a purity percentage as "the AR standard".
Can USP grade be used in India?
The legal standard for drugs in India is the Indian Pharmacopoeia (IP). Under the Second Schedule of the Drugs and Cosmetics Act, 1940, IP is the official book of standards for drugs, and its standards are legally enforceable. The latest edition, IP 2026, was released on 2 January 2026.
IP being the legal standard does not by itself answer whether USP or BP material may be used in a given product. That is a QA and regulatory decision, recorded in the material specification with the monograph and its date, and not settled by a supplier's assurance.
The gap is narrower for some excipients. The Indian Pharmacopoeia Commission's full membership of the Pharmacopoeial Discussion Group (PDG), whose other members are the European, Japanese and US pharmacopoeias, was announced in October 2023. IP 2026 harmonises 22 excipient monographs with PDG texts: the same results and the same accept or reject decision. That does not give them identical legal status or timing, so check each text in force. The full comparison is in our guide to IP, BP and USP grade chemicals.
What should a USP-grade CoA show?
Ask for the producer's batch CoA and check it for these four things before you accept the label.
- The monograph name and its official date, or the USP–NF issue it was tested against. A bare "USP" is not enough.
- The batch number, matching the marking on the drum or bag.
- Numeric results for each test in the monograph, set against its limits. "Complies" with no figure is not a result.
- The original manufacturer's name and site. The CoA that counts is the producing plant's, not a trader's or repacker's summary.
Query the batch if any of the four is missing, or if the CoA says only "USP grade" or "pharma grade". For glycerine and propylene glycol, also ask that the diethylene glycol and ethylene glycol result appears on the CoA. The testing background is in our guide to DEG and EG testing for glycerine, propylene glycol, sorbitol and PEG.
Which SPC lines are listed in pharmacopoeial grade?
Supreme Petro Chemicals is an importer and distributor, not a manufacturer. Our Food & Pharma Grade Chemicals list shows these lines as IP / BP / USP grade:
- Glycerine (glycerol, CAS 56-81-5)
- Propylene Glycol (CAS 57-55-6)
- Isopropyl Alcohol (IPA) (CAS 67-63-0)
- Citric Acid, anhydrous (CAS 77-92-9) or monohydrate (CAS 5949-29-1)
- Sodium Benzoate (CAS 532-32-1)
A grade on a list is not a certificate. The same product can be offered in an industrial grade and in a pharmacopoeial grade, so only the producer's batch CoA shows which one you are receiving. Request it with your enquiry, and check the monograph, official date and results against it before you order.
FAQ
What is the full form of USP grade?
USP grade means United States Pharmacopeia grade: the material is stated to meet its monograph in the USP–NF. It is a claim against a published standard, and it should be backed by a batch CoA that names the monograph and its official date.
What does BP grade mean?
BP grade means the material meets its monograph in the British Pharmacopoeia. BP 2026 has been legally effective since 1 January 2026, and BP 2027 takes effect on 1 January 2027. As with USP, the CoA should name the monograph and the edition it was tested against.
What is IP grade in chemicals?
IP grade means the material meets its monograph in the Indian Pharmacopoeia, published by the Indian Pharmacopoeia Commission in Ghaziabad. IP is the official book of standards for drugs in India. The latest edition, IP 2026, was released on 2 January 2026.
Is USP grade the same as pharmaceutical grade?
No. "Pharma grade" describes an intended use, while USP is a named standard with a published monograph. On its own, "pharma grade" does not say which standard was applied or what the batch results were. Specify the pharmacopoeia, the monograph and its date or edition.
Is USP grade better than food grade?
Neither is better in general. They are different standards for different uses: USP monographs for pharmaceutical use, and FCC for food ingredients. In India, food additives must be of appropriate food-grade quality and conform to the identity and purity specifications FSSAI sets for them, so a food plant's QA team decides whether a USP-grade batch meets them.
Is ACS grade or AR grade the same as USP grade?
No. ACS grade points to the ACS Reagent Chemicals specifications, written for laboratory reagents. AR, LR and GR are vendor-defined labels, not one legal standard.
Enquire about USP, BP or IP grade
Use our contact page, WhatsApp Sanketh on +91 86087 80096, or email admin@supremepetrochemicals.com. State the product, the grade and standard with its edition or official date, the quantity and the pack size. We import and distribute from Chennai.
Last reviewed 3 October 2026. Some dates (BP 2026, the USP–NF publication model, FCC 15 and PDG membership) rest on secondary reports of the publishers' notices. BP 2027 takes effect on 1 January 2027, so recheck any edition quoted here after that date.
Sources
- Indian Pharmacopoeia Commission: release of IP 2026
- Indian Pharmacopoeia Commission: IP 2026 introduction pages
- Indian Pharmacopoeia Commission: frequently asked questions
- USP–NF: new publication model
- British Pharmacopoeia
- Food Chemicals Codex
- American Chemical Society: ACS Reagent Chemicals update
- FSSAI compendium, Chapter 3: Substances added to food
- Lab Manager: common grades of reagents and chemicals
- BioPharm International: Indian Pharmacopoeia Commission joins the Pharmacopoeial Discussion Group