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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.

Dacarbazine 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D075-1G
Dacarbazine 1 g CAS number 4342-03-04 00:00:00 and purity (On dried basis): 98.5-101.0% (Titration)...
Price excludes taxes and shipping charges. Save -10%
£349.70 £388.56
Dacarbazine 100 mg
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Manufacturer: TOKU-E Item Number: D075-100MG
Dacarbazine 100 mg CAS number 4342-03-04 00:00:00 and purity (On dried basis): 98.5-101.0% (Titration)...
Price excludes taxes and shipping charges. Save -10%
£75.63 £84.03
Dalbavancin 1 mg
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Manufacturer: TOKU-E Item Number: D014-1MG
Dalbavancin 1 mg CAS number 171500-79-1 and purity >98% by HPLC...
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£143.54 £159.49
Dalbavancin 5 mg
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Manufacturer: TOKU-E Item Number: D014-5MG
Dalbavancin 5 mg CAS number 171500-79-1 and purity >98% by HPLC...
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£497.57 £552.86
Dalbavancin Hydrochloride 10mg
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Manufacturer: TOKU-E Item Number: D092-10MG
Dalbavancin Hydrochloride 10mg CAS number 171500-79-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£127.16 £141.29
Dalbavancin Hydrochloride 50mg
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Manufacturer: TOKU-E Item Number: D092-50MG
Dalbavancin Hydrochloride 50mg CAS number 171500-79-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£454.71 £505.23
Dalfopristin Mesylate 1 mg
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Manufacturer: TOKU-E Item Number: D034-1MG
Dalfopristin Mesylate 1 mg CAS number 112362-50-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Dalfopristin Mesylate 5 mg
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Manufacturer: TOKU-E Item Number: D034-5MG
Dalfopristin Mesylate 5 mg CAS number 112362-50-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Danofloxacin Mesylate 100mg
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Manufacturer: TOKU-E Item Number: D090-100MG
Danofloxacin Mesylate 100mg CAS number 119478-55-6 and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£58.76 £65.29
Danofloxacin Mesylate 1g
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Manufacturer: TOKU-E Item Number: D090-1G
Danofloxacin Mesylate 1g CAS number 119478-55-6 and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£283.23 £314.70
Daptomycin 25 mg
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Manufacturer: TOKU-E Item Number: D024-25MG
Daptomycin 25 mg CAS number 103060-53-3 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£122.35 £135.94
Daptomycin 50 mg
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Manufacturer: TOKU-E Item Number: D024-50MG
Daptomycin 50 mg CAS number 103060-53-3 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£192.67 £214.08
Daptomycin ReadyMadeâ„¢ Solution 10 x 0.5 mL
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Manufacturer: TOKU-E Item Number: D108-10x0.5ML
Daptomycin ReadyMade™ Solution 10 x 0.5 mL CAS number 103060-53-3 and purity nan...
Price excludes taxes and shipping charges. Save -10%
£246.14 £273.49
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Dasatinib 100 mg
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Manufacturer: TOKU-E Item Number: D074-100MG
Dasatinib 100 mg CAS number 302962-49-8 and purity 98.0% - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£135.35 £150.39
Dasatinib 25 mg
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Manufacturer: TOKU-E Item Number: D074-25MG
Dasatinib 25 mg CAS number 302962-49-8 and purity 98.0% - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£38.05 £42.28
Daunorubicin hydrochloride 10 mg
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Manufacturer: TOKU-E Item Number: D001-10MG
Daunorubicin hydrochloride 10 mg CAS number 23541-50-6 and purity (On Dried Basis): 84.2-103.0%...
Price excludes taxes and shipping charges. Save -10%
£113.19 £125.77
Daunorubicin hydrochloride 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D001-50MG
Daunorubicin hydrochloride 50 mg CAS number 23541-50-6 and purity (On Dried Basis): 84.2-103.0%...
Price excludes taxes and shipping charges. Save -10%
£467.71 £519.68
Davercin 1 mg
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Manufacturer: TOKU-E Item Number: D035-1MG
Davercin 1 mg CAS number 55224-05-0 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£140.17 £155.74
Davercin 5 mg
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Manufacturer: TOKU-E Item Number: D035-5MG
Davercin 5 mg CAS number 55224-05-0 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£487.46 £541.62
De-Plasmaâ„¢ 1 x 25 mg
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Manufacturer: TOKU-E Item Number: D022-1x25MG
De-Plasma™ 1 x 25 mg CAS number nan and purity not reported...
Price excludes taxes and shipping charges. Save -10%
£61.66 £68.51
De-Plasmaâ„¢ 5 x 25 mg
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Manufacturer: TOKU-E Item Number: D022-5x25MG
De-Plasma™ 5 x 25 mg CAS number nan and purity not reported...
Price excludes taxes and shipping charges. Save -10%
£126.20 £140.22
De-Plasmaâ„¢ II 10 mg
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Manufacturer: TOKU-E Item Number: D030-10MG
De-Plasma™ II 10 mg CAS number nan and purity not reported...
Price excludes taxes and shipping charges. Save -10%
£159.92 £177.69
De-Plasmaâ„¢ II 5 x 10 mg
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Manufacturer: TOKU-E Item Number: D030-5x10MG
De-Plasma™ II 5 x 10 mg CAS number nan and purity not reported...
Price excludes taxes and shipping charges. Save -10%
£550.08 £611.20
Deacetylanisomycin 25 mg
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Manufacturer: TOKU-E Item Number: D036-25MG
Deacetylanisomycin 25 mg CAS number 27958-06-1 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Deacetylanisomycin 5 mg
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Manufacturer: TOKU-E Item Number: D036-5MG
Deacetylanisomycin 5 mg CAS number 27958-06-1 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Deacetylravidomycin 0.5 mg
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Manufacturer: TOKU-E Item Number: D037-0.5MG
Deacetylravidomycin 0.5 mg CAS number 88580-27-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£267.34 £297.04
Deacetylravidomycin 2.5 mg
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Manufacturer: TOKU-E Item Number: D037-2.5MG
Deacetylravidomycin 2.5 mg CAS number 88580-27-2 and purity >95% by HPLC...
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£931.09 £1,034.54
Decanoyl-L-homoserine lactone 25 mg
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Manufacturer: TOKU-E Item Number: D081-25MG
Decanoyl-L-homoserine lactone 25 mg CAS number 177315-87-6 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£204.71 £227.46
Decanoyl-L-homoserine lactone 5 mg
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Manufacturer: TOKU-E Item Number: D081-5MG
Decanoyl-L-homoserine lactone 5 mg CAS number 177315-87-6 and purity >99% by HPLC...
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£58.76 £65.29
Decatromicin B 0.5 mg
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Manufacturer: TOKU-E Item Number: D038-0.5MG
Decatromicin B 0.5 mg CAS number 235097-64-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Decatromicin B 2.5 mg
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Manufacturer: TOKU-E Item Number: D038-2.5MG
Decatromicin B 2.5 mg CAS number 235097-64-0 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Deethylindanomycin 1 mg
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Manufacturer: TOKU-E Item Number: D039-1MG
Deethylindanomycin 1 mg CAS number 117615-33-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Deethylindanomycin 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D039-5MG
Deethylindanomycin 5 mg CAS number 117615-33-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Dehydrocyclopeptine 1 mg
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Manufacturer: TOKU-E Item Number: D082-1MG
Dehydrocyclopeptine 1 mg CAS number 31965-37-4 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£181.59 £201.77
Dehydrocyclopeptine 5 mg
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Manufacturer: TOKU-E Item Number: D082-5MG
Dehydrocyclopeptine 5 mg CAS number 31965-37-4 and purity >99% by HPLC...
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£632.45 £702.72
Delamanid 10 mg
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Manufacturer: TOKU-E Item Number: D110-10MG
Delamanid 10 mg CAS number 681492-22-8 and purity >98%...
Price excludes taxes and shipping charges. Save -10%
£112.23 £124.70
Delamanid 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D110-50MG
Delamanid 50 mg CAS number 681492-22-8 and purity >98%...
Price excludes taxes and shipping charges. Save -10%
£351.63 £390.70
Delta 2 -Avermectin B1a 1 mg
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Manufacturer: TOKU-E Item Number: A151-1MG
Delta 2 -Avermectin B1a 1 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Delta 2 -Avermectin B1a 5 mg
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Manufacturer: TOKU-E Item Number: A151-5MG
Delta 2 -Avermectin B1a 5 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Delta-2-avermectin B1a 1 mg
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Manufacturer: TOKU-E Item Number: D041-1MG
Delta-2-avermectin B1a 1 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Delta-2-avermectin B1a 5 mg
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Manufacturer: TOKU-E Item Number: D041-5MG
Delta-2-avermectin B1a 5 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Delta-2-doramectin 1 mg
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Manufacturer: TOKU-E Item Number: D061-1MG
Delta-2-doramectin 1 mg CAS number nan and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Delta-2-doramectin 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D061-5MG
Delta-2-doramectin 5 mg CAS number nan and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Delta-2-ivermectin B1a 1 mg
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Manufacturer: TOKU-E Item Number: I028-1MG
Delta-2-ivermectin B1a 1 mg CAS number 1135339-49-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Delta-2-ivermectin B1a 5 mg
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Manufacturer: TOKU-E Item Number: I028-5MG
Delta-2-ivermectin B1a 5 mg CAS number 1135339-49-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Demeclocycline 25 mg
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Manufacturer: TOKU-E Item Number: D031-25MG
Demeclocycline 25 mg CAS number 127-33-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£407.98 £453.31
Demeclocycline 5 mg
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Manufacturer: TOKU-E Item Number: D031-5MG
Demeclocycline 5 mg CAS number 127-33-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£117.53 £130.59
Demeclocycline hydrochloride 1 g
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Manufacturer: TOKU-E Item Number: D032-1G
Demeclocycline hydrochloride 1 g CAS number 64-73-3 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£152.21 £169.12
Demeclocycline hydrochloride 250 mg
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Manufacturer: TOKU-E Item Number: D032-250MG
Demeclocycline hydrochloride 250 mg CAS number 64-73-3 and purity >98% by HPLC...
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£61.66 £68.51
Demeclocycline hydrochloride 5 g
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Manufacturer: TOKU-E Item Number: D032-5G
Demeclocycline hydrochloride 5 g CAS number 64-73-3 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£535.15 £594.61
Demethoxyviridiol 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D042-1MG
Demethoxyviridiol 1 mg CAS number 56617-66-4 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£231.21 £256.90
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