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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: F051-10MG
Fluvoxamine Maleate 10 mg CAS number 61718-82-9 and purity 99.0% - 101.0% (anhydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£86.70 £96.34
Manufacturer: TOKU-E Item Number: F051-200MG
Fluvoxamine Maleate 200 mg CAS number 61718-82-9 and purity 99.0% - 101.0% (anhydrous basis)...
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£434.96 £483.29
Manufacturer: TOKU-E Item Number: F051-50MG
Fluvoxamine Maleate 50 mg CAS number 61718-82-9 and purity 99.0% - 101.0% (anhydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£214.83 £238.70
Manufacturer: TOKU-E Item Number: F014-100G
Folic acid USP 100 g CAS number 59-30-3 and purity (On Dried Basis): 97.0-102.0%...
Price excludes taxes and shipping charges. Save -10%
£408.95 £454.38
Manufacturer: TOKU-E Item Number: F014-25G
Folic acid USP 25 g CAS number 59-30-3 and purity (On Dried Basis): 97.0-102.0%...
Price excludes taxes and shipping charges. Save -10%
£126.20 £140.22
Manufacturer: TOKU-E Item Number: F014-5G
Folic acid USP 5 g CAS number 59-30-3 and purity (On Dried Basis): 97.0-102.0%...
Price excludes taxes and shipping charges. Save -10%
£32.75 £36.39
Manufacturer: TOKU-E Item Number: F044-100MG
Fondaparinux Sodium 100mg CAS number 114870-03-0 and purity (On Dried Basis): ≥95% ...
Price excludes taxes and shipping charges. Save -10%
£368.49 £409.43
Manufacturer: TOKU-E Item Number: F044-10MG
Fondaparinux Sodium 10mg CAS number 114870-03-0 and purity (On Dried Basis): ≥95% ...
Price excludes taxes and shipping charges. Save -10%
£107.90 £119.88
Manufacturer: TOKU-E Item Number: F038-10MG
Formonentin 10 mg CAS number 485-72-3 and purity ≥ 98.0%...
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£201.82 £224.25
Manufacturer: TOKU-E Item Number: F012-25G
Fosfomycin Calcium 25 g CAS number 26469-67-1 and purity 95%-101%...
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£149.80 £166.45
Manufacturer: TOKU-E Item Number: F012-5G
Fosfomycin Calcium 5 g CAS number 26469-67-0 and purity 95%-101%...
Price excludes taxes and shipping charges. Save -10%
£125.24 £139.15
Manufacturer: TOKU-E Item Number: F013-25G
Fosfomycin Sodium 25 g CAS number 26016-99-9 and purity (On Dried Basis): 95.0-101.0%...
Price excludes taxes and shipping charges. Save -10%
£275.52 £306.13
Manufacturer: TOKU-E Item Number: F013-5G
Fosfomycin Sodium 5 g CAS number 26016-99-9 and purity (On Dried Basis): 95.0-101.0%...
Price excludes taxes and shipping charges. Save -10%
£113.68 £126.31
Manufacturer: TOKU-E Item Number: F043-100MG
Fosfomycin Tromethamine 100mg CAS number 78964-85-9 and purity 98.0 - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£281.78 £313.09
Manufacturer: TOKU-E Item Number: F043-25MG
Fosfomycin Tromethamine 25mg CAS number 78964-85-9 and purity 98.0 - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£184.48 £204.98
Manufacturer: TOKU-E Item Number: F028-0.1MG
Fostriecin 0.1 mg CAS number 87810-56-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£280.82 £312.02
Manufacturer: TOKU-E Item Number: F028-0.5MG
Fostriecin 0.5 mg CAS number 87810-56-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£978.77 £1,087.53
Manufacturer: TOKU-E Item Number: F046-25 M
FR 179642 25 mg CAS number 168110-44-9 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£432.55 £480.61
Manufacturer: TOKU-E Item Number: F046-5MG
FR 179642 5 mg CAS number 168110-44-9 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£124.76 £138.62
Manufacturer: TOKU-E Item Number: F047-1MG
FR 901379 1mg CAS number 144371-88-0 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£432.55 £480.61
Manufacturer: TOKU-E Item Number: F047-5MG
FR 901379 5 mg CAS number 144371-88-0 and purity >98% by HPLC...
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£124.76 £138.62
Manufacturer: TOKU-E Item Number: F017-1G
Framycetin sulfate 1 g CAS number 4146-30-9 and purity ≥ 640 lU/mg...
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£208.09 £231.21
Manufacturer: TOKU-E Item Number: F017-500MG
Framycetin sulfate 500 mg CAS number 4146-30-9 and purity ≥ 640 lU/mg...
Price excludes taxes and shipping charges. Save -10%
£125.24 £139.15
Manufacturer: TOKU-E Item Number: F029-1MG
Fumagillin 1 mg CAS number 23110-15-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£152.21 £169.12
Manufacturer: TOKU-E Item Number: F029-5MG
Fumagillin 5mg CAS number 23110-15-8 and purity >99% by HPLC...
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£529.85 £588.72
Manufacturer: TOKU-E Item Number: F050-1MG
Fumitremorgin B 1 mg CAS number 12626-17-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£217.24 £241.38
Manufacturer: TOKU-E Item Number: F050-5MG
Fumitremorgin B 5 mg CAS number 12626-17-4 and purity >98% by HPLC...
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£755.76 £839.73
Manufacturer: TOKU-E Item Number: F023-0.25MG
Fumitremorgin C 0.25 mg CAS number 118974-02-0 and purity >95% by HPLC...
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£251.44 £279.37
Manufacturer: TOKU-E Item Number: F023-1MG
Fumitremorgin C 1 mg CAS number 118974-02-0 and purity >95% by HPLC...
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£875.21 £972.46
Manufacturer: TOKU-E Item Number: F030-0.5MG
Fumonisin B1 0.5 mg CAS number 116355-83-0 and purity >95% by HPLC...
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£123.79 £137.55
Manufacturer: TOKU-E Item Number: F030-2.5MG
Fumonisin B1 2.5 mg CAS number 116355-83-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£429.18 £476.86
Manufacturer: TOKU-E Item Number: F031-0.5MG
Fumonisin B2 0.5 mg CAS number 116355-84-1 and purity >95% by HPLC...
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£237.95 £264.39
Manufacturer: TOKU-E Item Number: F031-2.5MG
Fumonisin B2 2.5 mg CAS number 116355-84-1 and purity >95% by HPLC...
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£830.42 £922.68
Manufacturer: TOKU-E Item Number: F004-10G
Furazolidone 10 g CAS number 67-45-8 and purity (On Dried Basis): 97.0-103.0%...
Price excludes taxes and shipping charges. Save -10%
£56.84 £63.15
Manufacturer: TOKU-E Item Number: F004-25G
Furazolidone 25 g CAS number 67-45-8 and purity (On Dried Basis): 97.0-103.0%...
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£113.68 £126.31
Manufacturer: TOKU-E Item Number: F032-1MG
Fusapyrone 1 mg CAS number 156856-31-4 and purity >98% by HPLC...
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£269.74 £299.71
Manufacturer: TOKU-E Item Number: F032-5MG
Fusapyrone 5 mg CAS number 156856-31-4 and purity >98% by HPLC...
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£940.24 £1,044.71
Manufacturer: TOKU-E Item Number: F033-0.5MG
Fusarisetin A 0.5 mg CAS number 1300041-53-5 and purity >98% by HPLC...
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£269.74 £299.71
Manufacturer: TOKU-E Item Number: F033-2.5MG
Fusarisetin A 2.5 mg CAS number 1300041-53-5 and purity >98% by HPLC...
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£940.24 £1,044.71
Manufacturer: TOKU-E Item Number: F019-1G
Fusidic acid 1 g CAS number 6990-06-3 and purity 98 .5% - 101 .0%...
Price excludes taxes and shipping charges. Save -10%
£351.14 £390.16
Manufacturer: TOKU-E Item Number: F019-100MG
Fusidic acid 100 mg CAS number 6990-06-3 and purity 97 .5% - 101 .0%...
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£74.18 £82.42
Manufacturer: TOKU-E Item Number: F005-1G
Fusidic acid sodium 1 g CAS number 751-94-0 and purity 97.5%- 101.3%...
Price excludes taxes and shipping charges. Save -10%
£209.05 £232.28
Manufacturer: TOKU-E Item Number: F005-5G
Fusidic acid sodium 5 g CAS number 751-94-0 and purity 97.5%- 101.3%...
Price excludes taxes and shipping charges. Save -10%
£905.08 £1,005.64
Manufacturer: TOKU-E Item Number: F005-500MG
Fusidic acid sodium 500 mg CAS number 751-94-0 and purity 97.5%- 101.3%...
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£113.68 £126.31
Manufacturer: TOKU-E Item Number: G048-1G
G418 Disulfate (Low Endotoxin) 1 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£61.66 £68.51
Manufacturer: TOKU-E Item Number: G048-25G
G418 Disulfate (Low Endotoxin) 25 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£511.06 £567.85
Manufacturer: TOKU-E Item Number: G048-5G
G418 Disulfate (Low Endotoxin) 5 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£208.09 £231.21
Manufacturer: TOKU-E Item Number: G001-1G
G418 Disulfate 1 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£47.20 £52.45
Manufacturer: TOKU-E Item Number: G001-100G
G418 Disulfate 100g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£1,303.43 £1,448.25
Manufacturer: TOKU-E Item Number: G001-25G
G418 Disulfate 25 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
Price excludes taxes and shipping charges. Save -10%
£413.28 £459.20
Manufacturer: TOKU-E Item Number: G001-5G
G418 Disulfate 5 g CAS number 108321-42-2 and purity ≥720 Ug/mg...
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£141.61 £157.35
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