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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.

Miconazole nitrate 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M005-5G
Miconazole nitrate 5 g CAS number 22832-87-7 and purity (On Dried Basis): 98-102%...
Price excludes taxes and shipping charges. Save -10%
£186.89 £207.66
Micrococcin P1 0.5 mg
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Manufacturer: TOKU-E Item Number: M055-0.5MG
Micrococcin P1 0.5 mg CAS number 67401-56-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Micrococcin P1 2.5 mg
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Manufacturer: TOKU-E Item Number: M055-2.5MG
Micrococcin P1 2.5 mg CAS number 67401-56-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Micronomicin sulfate 10 g
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Manufacturer: TOKU-E Item Number: M018-10g
Micronomicin sulfate 10 g CAS number 66803-19-8 and purity (On Dried Basis): ≥590 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£92.48 £102.76
Midecamycin 1 g
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Manufacturer: TOKU-E Item Number: M007-1G
Midecamycin 1 g CAS number 35457-80-8 and purity ≥900 ug/mg...
Price excludes taxes and shipping charges. Save -10%
£186.89 £207.66
Midecamycin 500 mg
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Manufacturer: TOKU-E Item Number: M007-500MG
Midecamycin 500 mg CAS number 35457-80-8 and purity >-900 ug/mg...
Price excludes taxes and shipping charges. Save -10%
£129.09 £143.43
Midostaurin 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M123-10MG
Midostaurin 10 mg CAS number 120685-11-2 and purity 98-102% (on anhydrous and solvent-free basis)...
Price excludes taxes and shipping charges. Save -10%
£166.18 £184.64
Midostaurin 50 mg
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Manufacturer: TOKU-E Item Number: M123-50MG
Midostaurin 50 mg CAS number 120685-11-2 and purity 98-102% (on anhydrous and solvent-free basis)...
Price excludes taxes and shipping charges. Save -10%
£457.60 £508.44
Milbemectin 25 mg
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Manufacturer: TOKU-E Item Number: M056-25MG
Milbemectin 25 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,182.53 £1,313.92
Milbemectin 5 mg
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Manufacturer: TOKU-E Item Number: M056-5MG
Milbemectin 5 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£337.66 £375.18
Milbemycin A3 1 mg
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Manufacturer: TOKU-E Item Number: M057-1MG
Milbemycin A3 1 mg CAS number 51596-10-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£315.50 £350.56
Milbemycin A3 5 mg
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Manufacturer: TOKU-E Item Number: M057-5MG
Milbemycin A3 5 mg CAS number 51596-10-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,101.12 £1,223.47
Milbemycin A3 oxime 1 mg
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Manufacturer: TOKU-E Item Number: M058-1MG
Milbemycin A3 oxime 1 mg CAS number 114177-14-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Milbemycin A3 oxime 5 mg
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Manufacturer: TOKU-E Item Number: M058-5MG
Milbemycin A3 oxime 5 mg CAS number 114177-14-9 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Milbemycin A4 1 mg
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Manufacturer: TOKU-E Item Number: M059-1MG
Milbemycin A4 1 mg CAS number 51596-11-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£308.75 £343.06
Milbemycin A4 5 mg
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Manufacturer: TOKU-E Item Number: M059-5MG
Milbemycin A4 5 mg CAS number 51596-11-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,078.97 £1,198.85
Milbemycin A4 oxime 1 mg
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Manufacturer: TOKU-E Item Number: M060-1MG
Milbemycin A4 oxime 1 mg CAS number 93074-04-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Milbemycin A4 oxime 5 mg
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Manufacturer: TOKU-E Item Number: M060-5MG
Milbemycin A4 oxime 5 mg CAS number 93074-04-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Milbemycin oxime 10 mg
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Manufacturer: TOKU-E Item Number: M015-10MG
Milbemycin oxime 10 mg CAS number 129496-10-2 and purity (A3 + A4): 95.0 - 102.0% A3 Ratio: Not more than 0.20 A4 Ratio: ≥ 0.80...
Price excludes taxes and shipping charges. Save -10%
£43.83 £48.70
Milbemycin oxime 100 mg
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Manufacturer: TOKU-E Item Number: M015-100MG
Milbemycin oxime 100 mg CAS number 129496-10-2 and purity (A3 + A4): 95.0 - 102.0% A3 Ratio: Not more than 0.20 A4 Ratio: ≥ 0.80...
Price excludes taxes and shipping charges. Save -10%
£208.57 £231.74
Miltefosine 100 mg
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Manufacturer: TOKU-E Item Number: M085-100MG
Miltefosine 100 mg CAS number 58066-85-6 and purity ≥99%...
Price excludes taxes and shipping charges. Save -10%
£143.06 £158.95
Miltefosine 50 mg
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Manufacturer: TOKU-E Item Number: M085-50MG
Miltefosine 50 mg CAS number 58066-85-6 and purity ≥99%...
Price excludes taxes and shipping charges. Save -10%
£86.71 £96.34
Minocycline 10 mg
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Manufacturer: TOKU-E Item Number: M062-10MG
Minocycline 10 mg CAS number 10118-90-8 and purity >=98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£101.64 £112.93
Minocycline 50 mg
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Manufacturer: TOKU-E Item Number: M062-50MG
Minocycline 50 mg CAS number 10118-90-8 and purity >=98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£330.44 £367.15
Minocycline hydrochloride 1 g
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Manufacturer: TOKU-E Item Number: M008-1G
Minocycline hydrochloride 1 g CAS number 13614-98-7 and purity (On Dried Basis): 890 - 950 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£411.84 £457.60
Minocycline hydrochloride 500 mg
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Manufacturer: TOKU-E Item Number: M008-500MG
Minocycline hydrochloride 500 mg CAS number 13614-98-7 and purity (On Dried Basis): 890 - 950 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£221.57 £246.19
Mithramycin A 1 mg
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Manufacturer: TOKU-E Item Number: M063-1MG
Mithramycin A 1 mg CAS number 18378-89-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£91.04 £101.15
Mithramycin A 5 mg
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Manufacturer: TOKU-E Item Number: M063-5MG
Mithramycin A 5 mg CAS number 18378-89-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£315.50 £350.56
Mitomycin C 10 mg
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Manufacturer: TOKU-E Item Number: M009-10MG
Mitomycin C 10 mg CAS number 50-07-7 and purity ≥970 ug/mg...
Price excludes taxes and shipping charges. Save -10%
£96.34 £107.04
Mitomycin C 2 mg
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Manufacturer: TOKU-E Item Number: M009-2MG
Mitomycin C 2 mg CAS number 50-07-6 and purity ≥970 ug/mg...
Price excludes taxes and shipping charges. Save -10%
£51.06 £56.73
Mitomycin ReadyMadeTM Solution 1 mL
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Manufacturer: TOKU-E Item Number: M122-1ML
Mitomycin ReadyMadeTM Solution 1 mL CAS number 50-07-7 and purity ≥970 µg/mg (Anhydrous)(Mitomycin C). ref: Sigma is >=98% (HPLC...
Price excludes taxes and shipping charges. Save -10%
£440.74 £489.71
Mitomycin ReadyMadeTM Solution 10 x 1 mL
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Manufacturer: TOKU-E Item Number: M122-10x1ML
Mitomycin ReadyMadeTM Solution 10 x 1 mL CAS number 50-07-7 and purity ≥970 µg/mg (Anhydrous)(Mitomycin C). ref: Sigma is >=98% (HPLC...
Price excludes taxes and shipping charges. Save -10%
£2,639.61 £2,932.90
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Mitoxantrone hydrochloride 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M010-50MG
Mitoxantrone hydrochloride 50 mg CAS number 70476-82-3 and purity (On Dried Basis):97.0% - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£129.09 £143.43
Mizoribine 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M037-10MG
Mizoribine 10 mg CAS number 50924-49-7 and purity ≥97% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£122.35 £135.94
Mizoribine 25 mg
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Manufacturer: TOKU-E Item Number: M037-25MG
Mizoribine 25 mg CAS number 50924-49-7 and purity ≥97% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£270.23 £300.25
Moenomycin 25 mg
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Manufacturer: TOKU-E Item Number: M064-25MG
Moenomycin 25 mg CAS number 11015-37-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£630.04 £700.04
Moenomycin 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M064-5MG
Moenomycin 5 mg CAS number 11015-37-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£180.63 £200.70
Monactin 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M065-1MG
Monactin 1 mg CAS number 7182-54-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£308.75 £343.06
Monactin 5 mg
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Manufacturer: TOKU-E Item Number: M065-5MG
Monactin 5 mg CAS number 7182-54-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,078.97 £1,198.85
Monascin 0.5 mg
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Manufacturer: TOKU-E Item Number: M114-0.5MG
Monascin 0.5 mg CAS number 21516-68-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£210.49 £233.88
Monascin 2.5 mg
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Manufacturer: TOKU-E Item Number: M114-2.5MG
Monascin 2.5 mg CAS number 21516-68-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£733.60 £815.11
Monascinol 0.1 mg
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Manufacturer: TOKU-E Item Number: M115-0.1MG
Monascinol 0.1 mg CAS number 1011244-19-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£149.81 £166.45
Monascinol 0.5 mg
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Manufacturer: TOKU-E Item Number: M115-0.5MG
Monascinol 0.5 mg CAS number 1011244-19-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£523.11 £581.23
Monazomycin 1 mg
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Manufacturer: TOKU-E Item Number: M066-1MG
Monazomycin 1 mg CAS number 11006-31-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£261.55 £290.61
Monazomycin 5 mg
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Manufacturer: TOKU-E Item Number: M066-5MG
Monazomycin 5 mg CAS number 11006-31-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£912.78 £1,014.20
Monensin A 25 mg
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Manufacturer: TOKU-E Item Number: M067-25MG
Monensin A 25 mg CAS number 17090-79-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£396.90 £441.00
Monensin A 5 mg
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Manufacturer: TOKU-E Item Number: M067-5MG
Monensin A 5 mg CAS number 17090-79-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£114.64 £127.38
Monensin Sodium, USP 1 g
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Manufacturer: TOKU-E Item Number: M083-1G
Monensin Sodium, USP 1 g CAS number 22373-78-0 and purity ≥90% (Monensin A; ≥95% (Monensin A+B)...
Price excludes taxes and shipping charges. Save -10%
£54.91 £61.01
Monensin Sodium, USP 5 x 1 g
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Manufacturer: TOKU-E Item Number: M083-5x1G
Monensin Sodium, USP 5 x 1 g CAS number 22373-78-0 and purity nan...
Price excludes taxes and shipping charges. Save -10%
£169.07 £187.86
Moniliformin 0.5 mg
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Manufacturer: TOKU-E Item Number: M068-0.5MG
Moniliformin 0.5 mg CAS number 71376-34-6 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£168.10 £186.78
Moniliformin 2.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: M068-2.5MG
Moniliformin 2.5 mg CAS number 71376-34-6 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£586.21 £651.34
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