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Primary Reference Standard

When precision matters most, start with the highest benchmark—Primary Reference Standards from Lancetech Ltd are essential for achieving traceable and reproducible results in analytical testing. These ultra-pure substances serve as the definitive reference point for calibrating instruments, verifying methods, and producing secondary standards.


Ideal for pharmaceutical, environmental, and chemical laboratories, our primary standards ensure compliance with global regulatory requirements and support accurate quantification across a wide range of applications. Each standard is backed by detailed documentation and traceability to certified bodies, ensuring your data integrity from the first measurement onward.


Explore our range of primary reference materials and set a solid foundation for your lab’s analytical success.

Brand: TOKU-E Item Number: P098-5MG
Pyoluteorin 5 mg CAS number 25683-07-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£940.24 £1,044.71
Brand: TOKU-E Item Number: P082-100MG
Pyrantel (+)-tartrate salt 100mg CAS number 33401-94-4 and purity ≥99%...
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£65.51 £72.79
Brand: TOKU-E Item Number: P082-500MG
Pyrantel (+)-tartrate salt 500mg CAS number 33401-94-4 and purity ≥99%...
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£125.24 £139.15
Brand: TOKU-E Item Number: P127-10G
Pyrantel Citrate Salt 10 g CAS number 5685-86-9 and purity ≥99% ...
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£210.01 £233.35
Brand: TOKU-E Item Number: P129-25G
Pyrantel Pamoate 25 g CAS number 22204-24-6 and purity (On Dried Basis): 97-103% ...
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£150.77 £167.52
Brand: TOKU-E Item Number: P129-5G
Pyrantel Pamoate 5 g CAS number 22204-24-6 and purity (On Dried Basis): 97-103% ...
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£56.84 £63.15
Brand: TOKU-E Item Number: P020-10G
Pyrazinamide 10 g CAS number 98-96-4 and purity 99.0-100.5%...
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£47.20 £52.45
Brand: TOKU-E Item Number: P020-100G
Pyrazinamide 100 g CAS number 98-96-4 and purity 99.0-100.5%...
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£231.21 £256.90
Brand: TOKU-E Item Number: P020-25G
Pyrazinamide 25 g CAS number 98-96-4 and purity 99.0-100.5%...
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£74.18 £82.42
Brand: TOKU-E Item Number: P128-10G
Pyrazinecarboxamide 10 g CAS number 98-96-4 and purity ≥99%...
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£50.58 £56.20
Brand: TOKU-E Item Number: P128-100G
Pyrazinecarboxamide 100 g CAS number 98-96-4 and purity ≥99%...
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£257.22 £285.80
Brand: TOKU-E Item Number: P128-25G
Pyrazinecarboxamide 25 g CAS number 98-96-4 and purity ≥99%...
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£72.25 £80.28
Brand: TOKU-E Item Number: P162-0.1MG
Pyrenophorin 0.1 mg CAS number 5739-85-5 and purity >95% by HPLC...
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£154.62 £171.80
Brand: TOKU-E Item Number: P162-0.5MG
Pyrenophorin 0.5 mg CAS number 5739-85-5 and purity >95% by HPLC...
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£539.00 £598.89
Brand: TOKU-E Item Number: P099-0.5MG
Pyrenophorol 0.5 mg CAS number 22248-41-5 and purity >95% by HPLC...
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£237.95 £264.39
Brand: TOKU-E Item Number: P099-2.5MG
Pyrenophorol 2.5 mg CAS number 22248-41-5 and purity >95% by HPLC...
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£830.42 £922.68
Brand: TOKU-E Item Number: P100-0.5MG
Pyridomycin 0.5 mg CAS number 18791-21-4 and purity >95% by HPLC...
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£269.74 £299.71
Brand: TOKU-E Item Number: P100-2.5MG
Pyridomycin 2.5 mg CAS number 18791-21-4 and purity >95% by HPLC...
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£940.24 £1,044.71
Brand: TOKU-E Item Number: P024-10G
Pyridoxine Hydrochloride 10 g CAS number 58-56-0 and purity 98.0% - 102.0 %...
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£32.75 £36.39
Brand: TOKU-E Item Number: P024-100G
Pyridoxine Hydrochloride 100 g CAS number 58-56-0 and purity 98.0% - 102.0 %...
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£139.69 £155.21
Brand: TOKU-E Item Number: P024-25G
Pyridoxine Hydrochloride 25 g CAS number 58-56-0 and purity 98.0% - 102.0 %...
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£46.24 £51.38
Brand: TOKU-E Item Number: P148-1MG
Pyripyropene A 1 mg CAS number 147444-03-9 and purity >95% by HPLC...
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£287.56 £319.51
Brand: TOKU-E Item Number: P148-5MG
Pyripyropene A 5 mg CAS number 147444-03-9 and purity >95% by HPLC...
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£1,001.41 £1,112.68
Brand: TOKU-E Item Number: P065-10G
Pyrithione Sodium 10 g CAS number 3811-73-2 and purity 98.0% - 102.0%...
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£125.24 £139.15
Brand: TOKU-E Item Number: P065-5G
Pyrithione Sodium 5 g CAS number 3811-73-2 and purity 98.0% - 102.0%...
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£57.80 £64.22
Brand: TOKU-E Item Number: P066-10G
Pyrithione zinc 10 g CAS number 13463-41-7 and purity ≥98.0%...
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£54.91 £61.01
Brand: TOKU-E Item Number: P066-100G
Pyrithione zinc 100 g CAS number 13463-41-7 and purity ≥98.0%...
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£251.92 £279.91
Brand: TOKU-E Item Number: P101-1MG
Pyrocoll 1 mg CAS number nan and purity >95% by HPLC...
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£237.95 £264.39
Brand: TOKU-E Item Number: P101-5MG
Pyrocoll 5 mg CAS number nan and purity >95% by HPLC...
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£830.42 £922.68
Brand: TOKU-E Item Number: P102-25MG
Pyrrole-2-carboxylic acid 25 mg CAS number 634-97-9 and purity >95% by HPLC...
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£170.03 £188.93
Brand: TOKU-E Item Number: P102-5MG
Pyrrole-2-carboxylic acid 5 mg CAS number 634-97-9 and purity >95% by HPLC...
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£48.65 £54.06
Brand: TOKU-E Item Number: Q003-0.5MG
Quadrone 0.5 mg CAS number 66550-08-1 and purity >98% by HPLC...
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£269.74 £299.71
Brand: TOKU-E Item Number: Q003-2.5MG
Quadrone 2.5 mg CAS number 66550-08-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£940.24 £1,044.71
Brand: TOKU-E Item Number: Q002-50MG
Quercetin dihydrate EvoPure® 50 mg CAS number 6151-25-3 and purity >95% by HPLC...
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£117.05 £130.05
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Brand: TOKU-E Item Number: Q004-1MG
Questiomycin A 1 mg CAS number 1916-59-2 and purity >98% by HPLC...
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£93.93 £104.36
Brand: TOKU-E Item Number: Q004-5MG
Questiomycin A 5 mg CAS number 1916-59-2 and purity >98% by HPLC...
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£325.13 £361.26
Brand: TOKU-E Item Number: Q013-100MG
Quetiapine Fumarate 100 mg CAS number 111974-72-2 and purity ≥98.5%...
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£178.22 £198.02
Brand: TOKU-E Item Number: Q005-0.5MG
Quinaldopeptin 0.5 mg CAS number 130743-07-6 and purity >95% by HPLC...
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£339.10 £376.78
Brand: TOKU-E Item Number: Q005-2.5MG
Quinaldopeptin 2.5 mg CAS number 130743-07-6 and purity >95% by HPLC...
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£1,183.01 £1,314.45
Brand: TOKU-E Item Number: Q010-10G
Quinine 10 g CAS number 130-95-0 and purity ≥98.5%...
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£112.71 £125.24
Brand: TOKU-E Item Number: Q010-25G
Quinine 25 g CAS number 130-95-0 and purity ≥98.5%...
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£243.73 £270.81
Brand: TOKU-E Item Number: Q010-5G
Quinine 5 g CAS number 130-95-0 and purity ≥98.5%...
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£74.18 £82.42
Brand: TOKU-E Item Number: Q011-10G
Quinine HCl 10 g CAS number 6119-47-7 and purity 99% - 101%...
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£44.31 £49.24
Brand: TOKU-E Item Number: Q011-50G
Quinine HCl 50 g CAS number 6119-47-7 and purity 99% - 101%...
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£131.98 £146.64
Brand: TOKU-E Item Number: Q012-10G
Quinine Sulfate 10 g CAS number 207671-44-1 and purity ≥ 98%...
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£31.79 £35.32
Brand: TOKU-E Item Number: Q012-25G
Quinine Sulfate 25 g CAS number 207671-44-1 and purity ≥ 98%...
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£46.24 £51.38
Brand: TOKU-E Item Number: Q012-50G
Quinine Sulfate 50 g CAS number 207671-44-1 and purity ≥ 98%...
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£166.18 £184.64
Brand: TOKU-E Item Number: Q006-1MG
Quinolactacin A1 1 mg CAS number 815576-68-2 and purity >95% by HPLC...
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£323.69 £359.65
Brand: TOKU-E Item Number: Q006-5MG
Quinolactacin A1 5 mg CAS number 815576-68-2 and purity >95% by HPLC...
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£1,128.09 £1,253.44
Brand: TOKU-E Item Number: Q007-1MG
Quinomycin A 1 mg CAS number 512-64-1 and purity >95% by HPLC...
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£98.26 £109.18
Brand: TOKU-E Item Number: Q007-5MG
Quinomycin A 5 mg CAS number 512-64-1 and purity >95% by HPLC...
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£342.47 £380.53
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