British Pharmacopoeia Chemical reference substances (BPCRS)

These Primary standards are established using absolute methods and the declared content figures are determined without comparing to another substance. You should use BPCRS to perform the tests in the British Pharmacopoeia (BP) or BP (Veterinary). Do not eat BPCRS or feed them to animals – you should only use BPCRS for chemical analysis. They are not suitable for any other use.

The BPCRS Catalogue is now available for download in Excel format, updated monthly to reflect the latest listings.

New customer rules in Egypt

New customs rules in Egypt means additional actions are required by purchasers of the BPCRS if your order is over the value of £1600 or the shipment weighs more than 50kg. Please refer to the Egypt shipments guidance to learn what steps you will need to take if your order meets this criteria.  

970 items
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  • Search result 1

    Category Number 212
    Pack size 100 mg
    Substance name levamisole hydrochloride
    CAS Number 16595-80-5
    Quantitative No
    Current batch 4151
    QTY (Max 25)
  • Search result 2

    Category Number 1310
    Pack size 100mg
    Substance name levetiracetam
    CAS Number 102767-28-2
    Quantitative Yes
    Current batch 4821
    Out of Stock
  • Search result 3

    Category Number 1316
    Pack size 25mg
    Substance name levetiracetam impurity C
    CAS Number 7682-20-4
    Quantitative No
    Current batch 4822
    QTY (Max 25)
  • Search result 4

    Category Number 1315
    Pack size 25mg
    Substance name levetiracetam impurity G
    CAS Number 142-08-5
    Quantitative No
    Current batch 4823
    QTY (Max 25)
  • Search result 5

    Category Number 1311
    Pack size 10mg
    Substance name levetiracetam impurity standard
    CAS Number 102767-28-2
    Quantitative No
    Current batch 4865
    QTY (Max 25)
  • Search result 6

    Category Number 356
    Pack size 100 mg
    Substance name levobunolol hydrochloride
    CAS Number 27912-14-7
    Quantitative Yes
    Current batch 3402
    QTY (Max 25)
  • Search result 7

    Category Number 213
    Pack size 100 mg
    Substance name levodopa
    CAS Number 59-92-7
    Quantitative Yes
    Current batch 3192
    QTY (Max 25)
  • Search result 8

    Category Number 1287
    Pack size 100 mg
    Substance name levofloxacin hemihydrate
    CAS Number 138199-71-0
    Quantitative Yes
    Current batch 4599
    QTY (Max 25)
  • Search result 9

    Category Number 772
    Pack size 100 mg
    Substance name levomenthol
    CAS Number 2216-51-5
    Quantitative Yes
    Current batch 4498
    QTY (Max 25)
  • Search result 10

    Category Number 723
    Pack size 100 mg
    Substance name levomepromazine maleate
    CAS Number 7104-38-3
    Quantitative Yes
    Current batch 4026
    QTY (Max 25)