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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: M071-5MG
Mutilin 5 mg CAS number 6040-37-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£940.24 £1,044.71
Manufacturer: TOKU-E Item Number: M012-250MG
Mycophenolic Acid 250 mg CAS number 24280-93-1 and purity (On Dried Basis): ≥98.0%...
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£229.28 £254.76
Manufacturer: TOKU-E Item Number: M012-50MG
Mycophenolic Acid 50 mg CAS number 24280-93-1 and purity (On Dried Basis): ≥98.0%...
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£56.84 £63.15
Manufacturer: TOKU-E Item Number: M121-10x1ML
Mycophenolic Acid ReadyMade™ Solution 10 x 1 mL CAS number 24280-93-1 and purity nan...
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£234.58 £260.64
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Manufacturer: TOKU-E Item Number: M093-5x1ML
MycoRid™ 5x1mL CAS number nan and purity not reported...
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£60.69 £67.44
Manufacturer: TOKU-E Item Number: M045-10MG
Myriocin 10 mg CAS number 35891-70-4 and purity >97% by HPLC...
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£328.99 £365.54
Manufacturer: TOKU-E Item Number: M045-2.5MG
Myriocin 2.5 mg CAS number 35891-70-4 and purity >97% by HPLC...
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£94.89 £105.43
Manufacturer: TOKU-E Item Number: M088-25G
N-Methylhydroxylamine hydrochloride 25 g CAS number 4229-44-1 and purity ≥98%...
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£178.22 £198.02
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Manufacturer: TOKU-E Item Number: M088-5G
N-Methylhydroxylamine hydrochloride 5 g CAS number 4229-44-1 and purity ≥98%...
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£57.80 £64.22
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Manufacturer: TOKU-E Item Number: N092-10MG
Nacubactam 10 mg CAS number 1452458-86-4 and purity >=98.0%...
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£179.19 £199.09
Manufacturer: TOKU-E Item Number: N062-1G
Nadifloxacin 1g CAS number 124858-35-1 and purity ≥99.5%...
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£349.22 £388.02
Manufacturer: TOKU-E Item Number: N062-250MG
Nadifloxacin 250mg CAS number 124858-35-1 and purity ≥99.5%...
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£117.05 £130.05
Manufacturer: TOKU-E Item Number: N083-10MG
Nafamostat Mesylate 10 mg CAS number 82956-11-4 and purity 99.0% - 101.0%...
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£60.69 £67.44
Manufacturer: TOKU-E Item Number: N083-2x50MG
Nafamostat Mesylate 2x50 mg CAS number 82956-11-4 and purity 99.0% - 101.0%...
Price excludes taxes and shipping charges. Save -10%
£344.88 £383.20
Manufacturer: TOKU-E Item Number: N083-50MG
Nafamostat Mesylate 50 mg CAS number 82956-11-4 and purity 99.0% - 101.0%...
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£232.65 £258.50
Manufacturer: TOKU-E Item Number: N046-5G
Nafcillin sodium salt monohydrate 5 g CAS number 7177-50-6 and purity China...
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£159.92 £177.69
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Manufacturer: TOKU-E Item Number: N047-50MG
Naftifine hydrochloride 50 mg CAS number 65473-14-5 and purity 99-101%...
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£433.99 £482.22
Manufacturer: TOKU-E Item Number: N011-100G
Nalidixic Acid 100 g CAS number 389-08-2 and purity (On Dried Basis): 99.0-101.0%...
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£210.01 £233.35
Manufacturer: TOKU-E Item Number: N011-25G
Nalidixic Acid 25 g CAS number 389-08-2 and purity (On Dried Basis): 99.0-101.0%...
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£71.29 £79.21
Manufacturer: TOKU-E Item Number: N085-100G
Nalidixic Acid Sodium 100 g CAS number 3374-05-8 and purity ≥>=98.0% - 102.0% (verify with C of A)...
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£508.17 £564.64
Manufacturer: TOKU-E Item Number: N085-25G
Nalidixic Acid Sodium 25 g CAS number 3374-05-8 and purity ≥>=98.0% - 102.0% (verify with C of A)...
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£136.32 £151.46
Manufacturer: TOKU-E Item Number: N085-5G
Nalidixic Acid Sodium 5 g CAS number 3374-05-8 and purity ≥>=98.0% - 102.0% (verify with C of A)...
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£37.57 £41.75
Manufacturer: TOKU-E Item Number: N001-1G
Nalidixic Acid Sodium CulturePure® 1 g CAS number 3374-05-8 and purity (On Dried Basis): ≥98%...
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£52.98 £58.87
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Manufacturer: TOKU-E Item Number: N001-5G
Nalidixic Acid Sodium CulturePure® 5 g CAS number 3374-05-8 and purity (On Dried Basis): ≥98%...
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£124.27 £138.08
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Manufacturer: TOKU-E Item Number: N072-0.1MG
Nanangenine A 0.1 mg CAS number nan and purity >98% by HPLC...
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£154.62 £171.80
Manufacturer: TOKU-E Item Number: N072-0.5MG
Nanangenine A 0.5 mg CAS number nan and purity >98% by HPLC...
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£56.84 £63.15
Manufacturer: TOKU-E Item Number: N073-1MG
Nanangenine B 1 mg CAS number nan and purity >98% by HPLC...
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£195.08 £216.76
Manufacturer: TOKU-E Item Number: N073-5MG
Nanangenine B 5 mg CAS number nan and purity >98% by HPLC...
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£680.61 £756.24
Manufacturer: TOKU-E Item Number: N074-1MG
Nanangenine C 1 mg CAS number nan and purity >98% by HPLC...
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£195.08 £216.76
Manufacturer: TOKU-E Item Number: N074-5MG
Nanangenine C 5 mg CAS number nan and purity >98% by HPLC...
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£680.61 £756.24
Manufacturer: TOKU-E Item Number: N075-0.5MG
Nanangenine D 0.5 mg CAS number nan and purity >98% by HPLC...
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£165.22 £183.57
Manufacturer: TOKU-E Item Number: N075-2.5MG
Nanangenine D 2.5 mg CAS number nan and purity >98% by HPLC...
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£574.16 £637.96
Manufacturer: TOKU-E Item Number: N076-0.5MG
Nanangenine F 0.5 mg CAS number nan and purity >98% by HPLC...
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£185.45 £206.05
Manufacturer: TOKU-E Item Number: N076-2.5MG
Nanangenine F 2.5 mg CAS number nan and purity >98% by HPLC...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: N077-1MG
Nanangenine G 1 mg CAS number nan and purity >98% by HPLC...
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£195.08 £216.76
Manufacturer: TOKU-E Item Number: N077-5MG
Nanangenine G 5 mg CAS number nan and purity >98% by HPLC...
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£680.61 £756.24
Manufacturer: TOKU-E Item Number: N078-0.5MG
Nanangenine H 0.5 mg CAS number nan and purity >98% by HPLC...
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£185.45 £206.05
Manufacturer: TOKU-E Item Number: N078-2.5MG
Nanangenine H 2.5 mg CAS number nan and purity >98% by HPLC...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: N030-25MG
Narasin 25 mg CAS number 55134-13-9 and purity >98% by HPLC...
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£629.07 £698.97
Manufacturer: TOKU-E Item Number: N030-5MG
Narasin 5 mg CAS number 55134-13-9 and purity >98% by HPLC...
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£180.63 £200.70
Manufacturer: TOKU-E Item Number: N033-25MG
Narasin sodium 25 mg CAS number 58331-17-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£429.18 £476.86
Manufacturer: TOKU-E Item Number: N033-5MG
Narasin sodium 5 mg CAS number 58331-17-2 and purity >98% by HPLC...
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£123.79 £137.55
Manufacturer: TOKU-E Item Number: N034-1MG
Nargenicin 1 mg CAS number 70695-02-2 and purity >98% by HPLC...
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£180.63 £200.70
Manufacturer: TOKU-E Item Number: N034-5MG
Nargenicin 5 mg CAS number 70695-02-2 and purity >98% by HPLC...
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£629.07 £698.97
Manufacturer: TOKU-E Item Number: N002-100MG
Natamycin 100 mg CAS number 7681-93-8 and purity (On Dried Basis): ≥95.0%...
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£96.34 £107.04
Manufacturer: TOKU-E Item Number: N002-1G
Natamycin 1g CAS number 7681-93-8 and purity (On Dried Basis): ≥95.0%...
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£368.49 £409.43
Manufacturer: TOKU-E Item Number: N002-50MG
Natamycin 50 mg CAS number 7681-93-8 and purity (On Dried Basis): ≥95.0%...
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£54.91 £61.01
Manufacturer: TOKU-E Item Number: N035-10MG
Nemadectin 10 mg CAS number 102130-84-7 and purity >95%...
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£36.61 £40.68
Manufacturer: TOKU-E Item Number: N035-50MG
Nemadectin 50 mg CAS number 102130-84-7 and purity >95%...
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£164.73 £183.04
Manufacturer: TOKU-E Item Number: N036-0.5MG
Neoantimycin 0.5 mg CAS number 22862-63-1 and purity >98% by HPLC...
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£275.52 £306.13
Manufacturer: TOKU-E Item Number: N036-2.5MG
Neoantimycin 2.5 mg CAS number 22862-63-1 and purity >98% by HPLC...
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£959.02 £1,065.58
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