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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.

Manufacturer: TOKU-E Item Number: P158-0.5MG
Piliformic acid 0.5 mg CAS number 98985-76-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£185.45 £206.05
Manufacturer: TOKU-E Item Number: P158-2.5MG
Piliformic acid 2.5 mg CAS number 98985-76-3 and purity >95% by HPLC...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: P083-100MG
Pimecrolimus 100 mg CAS number 137071-32-0 and purity 98.0% ~ 102.0% (anhydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£187.37 £208.19
Manufacturer: TOKU-E Item Number: P083-500MG
Pimecrolimus 500 mg CAS number 137071-32-0 and purity 98.0% ~ 102.0% (anhydrous basis)...
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£1,019.23 £1,132.48
Manufacturer: TOKU-E Item Number: P084-1MG
Pimprinine 1 mg CAS number 13640-26-1 and purity >95% by HPLC...
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£251.44 £279.37
Manufacturer: TOKU-E Item Number: P084-5MG
Pimprinine 5 mg CAS number 13640-26-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£875.21 £972.46
Manufacturer: TOKU-E Item Number: P009-10G
Pipemidic acid 10 g CAS number 51940-44-4 and purity (On Dried Basis): ≥98.5%...
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£81.89 £90.98
Manufacturer: TOKU-E Item Number: P009-100G
Pipemidic acid 100 g CAS number 51940-44-4 and purity (On Dried Basis): ≥98.5%...
Price excludes taxes and shipping charges. Save -10%
£510.10 £566.78
Manufacturer: TOKU-E Item Number: P017-1G
Piperacillin 1 g CAS number 61477-96-1 and purity (On Dried Basis): 96.0-103.0%...
Price excludes taxes and shipping charges. Save -10%
£123.31 £137.01
Manufacturer: TOKU-E Item Number: P017-500MG
Piperacillin 500 mg CAS number 61477-96-1 and purity (On Dried Basis): 96.0-103.0%...
Price excludes taxes and shipping charges. Save -10%
£87.67 £97.41
Manufacturer: TOKU-E Item Number: P010-1G
Piperacillin Sodium 1 g CAS number 59703-84-3 and purity (On Dried Basis): 863 to 1007 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£94.41 £104.90
Manufacturer: TOKU-E Item Number: P010-10G
Piperacillin Sodium 10 g CAS number 59703-84-3 and purity (On Dried Basis): 863 to 1007 µg/mg...
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£515.88 £573.20
Manufacturer: TOKU-E Item Number: P010-5G
Piperacillin Sodium 5 g CAS number 59703-84-3 and purity (On Dried Basis): 863 to 1007 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£374.27 £415.85
Manufacturer: TOKU-E Item Number: P087-1MG
Piperafizine A 1 mg CAS number 130603-59-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£251.44 £279.37
Manufacturer: TOKU-E Item Number: P087-5MG
Piperafizine A 5 mg CAS number 130603-59-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£875.21 £972.46
Manufacturer: TOKU-E Item Number: P117-10MG
Pirarubicin 10 mg CAS number 72496-41-4 and purity ≥97.5 % (HPLC)...
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£120.42 £133.80
Manufacturer: TOKU-E Item Number: P117-25MG
Pirarubicin 25 mg CAS number 72496-41-4 and purity nan...
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£267.33 £297.04
Manufacturer: TOKU-E Item Number: P086-1MG
Pirlimycin 1 mg CAS number 79548-73-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£180.63 £200.70
Manufacturer: TOKU-E Item Number: P086-5MG
Pirlimycin 5 mg CAS number 79548-73-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£629.07 £698.97
Manufacturer: TOKU-E Item Number: P088-1MG
Pirlimycin Hydrochloride 1 mg CAS number 78822-40-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£138.72 £154.14
Manufacturer: TOKU-E Item Number: P088-5MG
Pirlimycin Hydrochloride 5 mg CAS number 78822-40-9 and purity >95% by HPLC...
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£470.60 £522.89
Manufacturer: TOKU-E Item Number: P132-10MG
Pitavastatin Calcium 10 mg CAS number 147526-32-7 and purity ≥99%...
Price excludes taxes and shipping charges. Save -10%
£101.63 £112.93
Manufacturer: TOKU-E Item Number: P132-25MG
Pitavastatin Calcium 25 mg CAS number 147526-32-7 and purity ≥99%...
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£160.88 £178.76
Manufacturer: TOKU-E Item Number: P141-10MG
Pivmecillinam Hydrochloride 10 mg CAS number 32887-03-9 and purity ≥97% (HPLC, dried basis)...
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£65.51 £72.79
Manufacturer: TOKU-E Item Number: P141-100MG
Pivmecillinam Hydrochloride 100 mg CAS number 32887-03-9 and purity ≥97% (HPLC, dried basis)...
Price excludes taxes and shipping charges. Save -10%
£351.14 £390.16
Manufacturer: TOKU-E Item Number: P141-50MG
Pivmecillinam Hydrochloride 50 mg CAS number 32887-03-9 and purity ≥97% (HPLC, dried basis)...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: P089-0.1MG
Platencin 0.1 mg CAS number 869898-86-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£339.10 £376.78
Manufacturer: TOKU-E Item Number: P089-0.5MG
Platencin 0.5 mg CAS number 869898-86-2 and purity >99% by HPLC...
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£1,183.01 £1,314.45
Manufacturer: TOKU-E Item Number: P090-0.25MG
Platensimycin 0.25 mg CAS number 835876-32-9 and purity >95% by HPLC...
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£339.10 £376.78
Manufacturer: TOKU-E Item Number: P090-1MG
Platensimycin 1 mg CAS number 835876-32-9 and purity >95% by HPLC...
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£1,183.01 £1,314.45
Manufacturer: TOKU-E Item Number: P140-10MG
Plazomicin sulfate 10 mg CAS number 1154757-24-0 and purity ≥90% (HPLC)...
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£125.24 £139.15
Manufacturer: TOKU-E Item Number: P140-100MG
Plazomicin sulfate 100 mg CAS number 1154757-24-0 and purity ≥90% (HPLC)...
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£846.79 £940.88
Manufacturer: TOKU-E Item Number: P091-100MG
Pleuromutilin 100 mg CAS number 125-65-5 and purity >95% by HPLC...
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£978.77 £1,087.53
Manufacturer: TOKU-E Item Number: P091-25MG
Pleuromutilin 25 mg CAS number 125-65-5 and purity >95% by HPLC...
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£280.82 £312.02
Manufacturer: TOKU-E Item Number: P159-25MG
Plumbagin 25 mg CAS number 481-42-5 and purity >95% by HPLC...
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£183.04 £203.38
Manufacturer: TOKU-E Item Number: P159-5MG
Plumbagin 5 mg CAS number 481-42-5 and purity >95% by HPLC...
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£53.95 £59.94
Manufacturer: TOKU-E Item Number: P119-1MG
Plumieride 1 mg CAS number 511-89-7 and purity nan...
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£247.58 £275.09
Manufacturer: TOKU-E Item Number: P144-1MG
Pluviatolide 1 mg CAS number 28115-68-6 and purity >95% by HPLC...
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£185.45 £206.05
Manufacturer: TOKU-E Item Number: P144-5MG
Pluviatolide 5 mg CAS number 28115-68-6 and purity >95% by HPLC...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: P092-1MG
Pneumocandin B0 1 mg CAS number 135575-42-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£250.96 £278.84
Manufacturer: TOKU-E Item Number: P092-5MG
Pneumocandin B0 5 mg CAS number 135575-42-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£874.25 £971.39
Manufacturer: TOKU-E Item Number: P126-1G
Podophyllotoxin 1 g CAS number 518-28-5 and purity ≤98%...
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£185.45 £206.05
Manufacturer: TOKU-E Item Number: P126-100MG
Podophyllotoxin 100 mg CAS number 518-28-5 and purity ≤98%...
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£63.58 £70.65
Manufacturer: TOKU-E Item Number: P121-2x25G
Poly(vinylpyrrolidone)–Iodine complex 2 x 25 g CAS number 25655-41-8 and purity nan...
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£86.70 £96.34
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Manufacturer: TOKU-E Item Number: P121-4x25G
Poly(vinylpyrrolidone)–Iodine complex 4 x 25 g CAS number 25655-41-8 and purity nan...
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£114.64 £127.38
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Manufacturer: TOKU-E Item Number: P145-1MG
Polygodial 1 mg CAS number 6754-20-7 and purity >95% by HPLC...
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£93.93 £104.36
Manufacturer: TOKU-E Item Number: P145-5MG
Polygodial 5 mg CAS number 6754-20-7 and purity >95% by HPLC...
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£325.13 £361.26
Manufacturer: TOKU-E Item Number: P146-0.5MG
Polygodial pyridazine 0.5 mg CAS number 1810726-08-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£144.50 £160.56
Manufacturer: TOKU-E Item Number: P146-2,5MG
Polygodial pyridazine 2.5 mg CAS number 1810726-08-9 and purity >95% by HPLC...
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£502.87 £558.75
Manufacturer: TOKU-E Item Number: P174-10ML
Polymyxin B ReadyMadeTM Solution 10 mL CAS number 1405-20-5 and purity (Dried Basis): ≥6,000 u/mg...
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£158.95 £176.62
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Manufacturer: TOKU-E Item Number: P174-100ML
Polymyxin B ReadyMadeTM Solution 100 mL CAS number 1405-20-5 and purity (Dried Basis): ≥6,000 u/mg...
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£521.66 £579.62
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