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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: L059-5MG
Lupanine 5 mg CAS number 550-90-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£755.76 £839.73
Manufacturer: TOKU-E Item Number: L052-25MG
Lupeol 25 mg CAS number 545-47-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£218.20 £242.45
Manufacturer: TOKU-E Item Number: L052-5MG
Lupeol 5 mg CAS number 545-47-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£63.10 £70.11
Manufacturer: TOKU-E Item Number: L040-0.5MG
Luteoreticulin 0.5 mg CAS number 22388-89-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£237.95 £264.39
Manufacturer: TOKU-E Item Number: L040-2.5MG
Luteoreticulin 2.5 mg CAS number 22388-89-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£830.42 £922.68
Manufacturer: TOKU-E Item Number: L041-0.5MG
Luzopeptin A 0.5 mg CAS number 75580-37-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£177.74 £197.49
Manufacturer: TOKU-E Item Number: L041-2.5MG
Luzopeptin A 2.5 mg CAS number 75580-37-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£616.07 £684.52
Manufacturer: TOKU-E Item Number: L042-0.5MG
Lydicamycin 0.5 mg CAS number 133352-27-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£339.10 £376.78
Manufacturer: TOKU-E Item Number: L042-2.5MG
Lydicamycin 2.5 mg CAS number 133352-27-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,183.01 £1,314.45
Manufacturer: TOKU-E Item Number: M046-25MG
Maduramicin 25 mg CAS number 79356-08-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£597.76 £664.18
Manufacturer: TOKU-E Item Number: M046-5MG
Maduramicin 5 mg CAS number 79356-08-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£172.44 £191.60
Manufacturer: TOKU-E Item Number: M047-25MG
Maduramicin Ammonium 25 mg CAS number 84878-61-5 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£408.95 £454.38
Manufacturer: TOKU-E Item Number: M047-5MG
Maduramicin Ammonium 5 mg CAS number 84878-61-5 and purity >98% by HPLC...
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£118.49 £131.66
Manufacturer: TOKU-E Item Number: M120-100MG
Maduramicin Ammonium, >90% 100 mg CAS number 84878-61-5 and purity >90% by HPLC...
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£102.60 £114.00
Manufacturer: TOKU-E Item Number: M073-1MG
Magainin I 1 mg CAS number 108433-99-4 and purity ≥98.0%...
Price excludes taxes and shipping charges. Save -10%
£157.03 £174.48
Manufacturer: TOKU-E Item Number: M074-1MG
Magainin II 1 mg CAS number 108433-95-0 and purity ≥95.0%...
Price excludes taxes and shipping charges. Save -10%
£238.43 £264.92
Manufacturer: TOKU-E Item Number: M112-0.1MG
Malolactomycin C 0.1 mg CAS number 189759-03-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£165.22 £183.57
Manufacturer: TOKU-E Item Number: M112-0.5MG
Malolactomycin C 0.5 mg CAS number 189759-03-3 and purity >95% by HPLC...
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£574.16 £637.96
Manufacturer: TOKU-E Item Number: M078-1G
Mancozeb 1 g CAS number 8018-01-7 and purity not reported...
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£133.43 £148.25
Manufacturer: TOKU-E Item Number: M110-1MG
Manumycin A 1 mg CAS number 52665-74-4 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£185.45 £206.05
Manufacturer: TOKU-E Item Number: M110-5MG
Manumycin A 5 mg CAS number 52665-74-4 and purity >99% by HPLC...
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£646.90 £718.77
Manufacturer: TOKU-E Item Number: M014-1G
Marbofloxacin 1 g CAS number 115550-35-1 and purity 99.0% - 101.0%...
Price excludes taxes and shipping charges. Save -10%
£189.78 £210.87
Manufacturer: TOKU-E Item Number: M014-100MG
Marbofloxacin 100 mg CAS number 115550-35-1 and purity 99.0% - 101.0%...
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£74.18 £82.42
Manufacturer: TOKU-E Item Number: M014-500MG
Marbofloxacin 500 mg CAS number 115550-35-1 and purity 99.0% - 101.0%...
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£99.23 £110.25
Manufacturer: TOKU-E Item Number: M048-1MG
Marcfortine A 1 mg CAS number 75731-43-0 and purity >99% by HPLC...
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£344.40 £382.67
Manufacturer: TOKU-E Item Number: M048-5MG
Marcfortine A 5 mg CAS number 75731-43-0 and purity >99% by HPLC...
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£1,202.76 £1,336.39
Manufacturer: TOKU-E Item Number: M075-100MG
Matrine 100 mg CAS number 519-02-8 and purity ≥98.0%...
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£284.67 £316.30
Manufacturer: TOKU-E Item Number: M075-500MG
Matrine 500 mg CAS number 519-02-8 and purity ≥98.0%...
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£661.35 £734.83
Manufacturer: TOKU-E Item Number: M082-100G
Mebendazole 100 g CAS number 31431-39-7 and purity (On Dried Basis) 99.0% - 101.0%...
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£203.75 £226.39
Manufacturer: TOKU-E Item Number: M082-25G
Mebendazole 25 g CAS number 31431-39-7 and purity (On Dried Basis) 99.0% - 101.0%...
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£61.66 £68.51
Manufacturer: TOKU-E Item Number: M001-100MG
Mecillinam 100 mg CAS number 32887-01-7 and purity ≥ 90.0%...
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£131.02 £145.57
Manufacturer: TOKU-E Item Number: M049-25MG
Meclocycline 25 mg CAS number nan and purity >98% by HPLC...
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£529.85 £588.72
Manufacturer: TOKU-E Item Number: M049-5MG
Meclocycline 5 mg CAS number nan and purity >98% by HPLC...
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£152.21 £169.12
Manufacturer: TOKU-E Item Number: M043-25MG
Meclocycline sulfosalicylate 25 mg CAS number 73816-42-9 and purity >98% by HPLC...
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£312.61 £347.34
Manufacturer: TOKU-E Item Number: M043-5MG
Meclocycline sulfosalicylate 5 mg CAS number 73816-42-9 and purity >98% by HPLC...
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£91.04 £101.15
Manufacturer: TOKU-E Item Number: M050-1MG
Meleagrin 1 mg CAS number 71751-77-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£152.21 £169.12
Manufacturer: TOKU-E Item Number: M050-5MG
Meleagrin 5 mg CAS number 71751-77-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£529.85 £588.72
Manufacturer: TOKU-E Item Number: M081-10MG
Melittin 10 mg CAS number 20449-79-0 and purity ≥ 98.0%...
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£322.24 £358.05
Manufacturer: TOKU-E Item Number: M079-100G
Menadione 100 g CAS number 58-27-5 and purity ≥ 98.5%...
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£115.60 £128.45
Manufacturer: TOKU-E Item Number: M079-25G
Menadione 25 g CAS number 58-27-5 and purity ≥ 98.5%...
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£34.20 £38.00
Manufacturer: TOKU-E Item Number: M080-25G
Menadione sodium bisulfite 25 g CAS number 130-37-0 and purity ≥ 96.0%...
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£46.24 £51.38
Manufacturer: TOKU-E Item Number: M080-4x25G
Menadione sodium bisulfite 4 x 25 g CAS number 130-37-0 and purity ≥ 96.0%...
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£123.31 £137.01
Manufacturer: TOKU-E Item Number: M113-0.5MG
Mensacarcin 0.5 mg CAS number 808750-39-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£206.64 £229.60
Manufacturer: TOKU-E Item Number: M113-2.5MG
Mensacarcin 2.5 mg CAS number 808750-39-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£717.22 £796.91
Manufacturer: TOKU-E Item Number: M106-1MG
Mer-NF5003E 1 mg CAS number 159121-98-9 and purity >99% by HPLC...
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£217.24 £241.38
Manufacturer: TOKU-E Item Number: M106-5MG
Mer-NF5003E 5 mg CAS number 159121-98-9 and purity >99% by HPLC...
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£755.76 £839.73
Manufacturer: TOKU-E Item Number: M107-1MG
Mer-NF5003F 1 mg CAS number 149598-70-9 and purity >99% by HPLC...
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£217.24 £241.38
Manufacturer: TOKU-E Item Number: M107-5MG
Mer-NF5003F 5 mg CAS number 149598-70-9 and purity >99% by HPLC...
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£755.76 £839.73
Manufacturer: TOKU-E Item Number: M028-100MG
Meropenem with Sodium Carbonate 100 mg CAS number nan and purity (On Dried Basis Meropenem) ≥ 78.0%...
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£141.61 £157.35
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Manufacturer: TOKU-E Item Number: M087-5G
Metformin hydrochloride 5 g CAS number 1115-70-4 and purity 98.5% - 101.0%...
Price excludes taxes and shipping charges. Save -10%
£29.86 £33.18
Manufacturer: TOKU-E Item Number: M051-25MG
Methacycline 25 mg CAS number 914-00-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£429.18 £476.86
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