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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.

Gentamicin X2 sulfate EvoPure® 2.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: G036-2.5MG
Gentamicin X2 sulfate EvoPure® 2.5 mg CAS number 36889-17-5 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -100%
£0.00 Price available post quote
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Gentamicin X2 sulfate EvoPure® Please Contact us for Pricing
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Manufacturer: TOKU-E Item Number: G036
Gentamicin X2 sulfate EvoPure® Please Contact us for Pricing CAS number 36889-17-5 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -100%
£0.00 Price available post quote
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Germacrone 10 mg
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Manufacturer: TOKU-E Item Number: G061-10MG
Germacrone 10 mg CAS number 6902-91-6 and purity ≥ 98.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£410.88 £456.53
Germicidin A 1 mg
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Manufacturer: TOKU-E Item Number: G053-1MG
Germicidin A 1 mg CAS number 151271-57-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£230.72 £256.36
Germicidin A 5 mg
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Manufacturer: TOKU-E Item Number: G053-5MG
Germicidin A 5 mg CAS number 151271-57-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£805.85 £895.39
Germicidin B 0.5 mg
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Manufacturer: TOKU-E Item Number: G054-0.5MG
Germicidin B 0.5 mg CAS number 150973-78-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£172.44 £191.60
Germicidin B 2.5 mg
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Manufacturer: TOKU-E Item Number: G054-2.5MG
Germicidin B 2.5 mg CAS number 150973-78-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£597.76 £664.18
Gibberellic acid A3 1 g
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Manufacturer: TOKU-E Item Number: G042-1G
Gibberellic acid A3 1 g CAS number 77-06-5 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£32.75 £36.39
Gibberellic acid A3 5 g
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Manufacturer: TOKU-E Item Number: G042-5G
Gibberellic acid A3 5 g CAS number 77-06-5 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£131.98 £146.64
Gibberellic Acid A4 + A7 1 g
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Manufacturer: TOKU-E Item Number: G043-1G
Gibberellic Acid A4 + A7 1 g CAS number 468-44-0; 510-75-8 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£93.45 £103.83
Gibberellic Acid A4 + A7 250 mg
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Manufacturer: TOKU-E Item Number: G043-250MG
Gibberellic Acid A4 + A7 250 mg CAS number 468-44-0; 510-75-8 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£40.94 £45.49
Gibberellic Acid A4 + A7 5 g
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Manufacturer: TOKU-E Item Number: G043-5G
Gibberellic Acid A4 + A7 5 g CAS number 468-44-0; 510-75-8 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£272.15 £302.39
Gibberellic Acid A4 10 mg
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Manufacturer: TOKU-E Item Number: G044-10MG
Gibberellic Acid A4 10 mg CAS number 468-44-0 and purity ≥ 90%...
Price excludes taxes and shipping charges. Save -10%
£126.20 £140.22
Gilvocarcin M 0.5 mg
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Manufacturer: TOKU-E Item Number: G055-0.5MG
Gilvocarcin M 0.5 mg CAS number 77879-89-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£272.63 £302.92
Gilvocarcin M 2.5 mg
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Manufacturer: TOKU-E Item Number: G055-2.5MG
Gilvocarcin M 2.5 mg CAS number 77879-89-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£949.87 £1,055.41
Gilvocarcin V 0.5 mg
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Manufacturer: TOKU-E Item Number: G056-0.5MG
Gilvocarcin V 0.5 mg CAS number 77879-90-4 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£272.63 £302.92
Gilvocarcin V 2.5 mg
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Manufacturer: TOKU-E Item Number: G056-2.5MG
Gilvocarcin V 2.5 mg CAS number 77879-90-4 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£949.87 £1,055.41
Gliotoxin 1 mg
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Manufacturer: TOKU-E Item Number: G057-1MG
Gliotoxin 1 mg CAS number 67-99-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£91.04 £101.15
Gliotoxin 5 mg
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Manufacturer: TOKU-E Item Number: G057-5MG
Gliotoxin 5 mg CAS number 67-99-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£315.50 £350.56
Glyphosate 1 g
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Manufacturer: TOKU-E Item Number: G058-1G
Glyphosate 1 g CAS number 1071-83-6 and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£81.41 £90.45
Glyphosate 5 g
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Manufacturer: TOKU-E Item Number: G058-5G
Glyphosate 5 g CAS number 1071-83-6 and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£267.34 £297.04
GR24 0.25 mg
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Manufacturer: TOKU-E Item Number: G088-0.25MG
GR24 0.25 mg CAS number 76974-79-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£175.82 £195.35
GR24 1 mg
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Manufacturer: TOKU-E Item Number: G088-1MG
GR24 1 mg CAS number 76974-79-3 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£614.63 £682.92
Gramicidin 1 g
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Manufacturer: TOKU-E Item Number: G038-1G
Gramicidin 1 g CAS number 1405-97-6 and purity (On Dried Basis): ≥900 IU/mg...
Price excludes taxes and shipping charges. Save -10%
£107.42 £119.35
Gramicidin 5 g
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Manufacturer: TOKU-E Item Number: G038-5G
Gramicidin 5 g CAS number 1405-97-6 and purity (On Dried Basis): ≥900 IU/mg...
Price excludes taxes and shipping charges. Save -10%
£461.45 £512.72
Graphislactone A 1 mg
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Manufacturer: TOKU-E Item Number: G065-1MG
Graphislactone A 1 mg CAS number 52179-44-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£238.43 £264.92
Graphislactone A 5 mg
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Manufacturer: TOKU-E Item Number: G065-5MG
Graphislactone A 5 mg CAS number 52179-44-9 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£832.82 £925.36
Griseofulvic acid 0.25 mg
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Manufacturer: TOKU-E Item Number: G090-0.25MG
Griseofulvic acid 0.25 mg CAS number 469-54-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£157.03 £174.48
Griseofulvic acid 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: G090-1MG
Griseofulvic acid 1 mg CAS number 469-54-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£545.74 £606.38
Griseofulvin 25 g
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Manufacturer: TOKU-E Item Number: G008-25G
Griseofulvin 25 g CAS number 126-07-8 and purity ≥900 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£186.89 £207.66
Griseofulvin 5 g
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Manufacturer: TOKU-E Item Number: G008-5G
Griseofulvin 5 g CAS number 126-07-8 and purity ≥900 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£52.98 £58.87
Griseofulvin 50 g
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Manufacturer: TOKU-E Item Number: G008-50G
Griseofulvin 50 g CAS number 126-07-8 and purity ≥900 µg/mg...
Price excludes taxes and shipping charges. Save -10%
£352.59 £391.77
Guanidine thiocyanate Ultrapure 10 x 25 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: G019-10x25G
Guanidine thiocyanate Ultrapure 10 x 25 g CAS number 593-84-0 and purity ≥ 99.0%...
Price excludes taxes and shipping charges. Save -10%
£158.00 £175.55
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Guanidine thiocyanate Ultrapure 4 x 25 g
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Manufacturer: TOKU-E Item Number: G019-4x25G
Guanidine thiocyanate Ultrapure 4 x 25 g CAS number 593-84-0 and purity ≥ 99.0%...
Price excludes taxes and shipping charges. Save -10%
£53.95 £59.94
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Hainanmycin Sodium 10 mg
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Manufacturer: TOKU-E Item Number: H064-10MG
Hainanmycin Sodium 10 mg CAS number 58331-17-2 and purity > 900 units/mg...
Price excludes taxes and shipping charges. Save -10%
£109.34 £121.49
Hainanmycin Sodium 5 x 10 mg
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Manufacturer: TOKU-E Item Number: H064-5x10MG
Hainanmycin Sodium 5 x 10 mg CAS number 58331-17-2 and purity > 900 units/mg...
Price excludes taxes and shipping charges. Save -10%
£471.56 £523.96
Hecogenin acetate 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: H053-1MG
Hecogenin acetate 1 mg CAS number 915-35-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£49.62 £55.13
Hecogenin acetate 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: H053-5MG
Hecogenin acetate 5 mg CAS number 915-35-5 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£173.89 £193.21
Helvolic acid 0.1 mg
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Manufacturer: TOKU-E Item Number: H057-0.1MG
Helvolic acid 0.1 mg CAS number 29400-42-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£118.49 £131.66
Helvolic acid 0.5 mg
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Manufacturer: TOKU-E Item Number: H057-0.5MG
Helvolic acid 0.5 mg CAS number 29400-42-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£410.88 £456.53
hemi-Oxanthromicin 0.5 mg
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Manufacturer: TOKU-E Item Number: H058-0.5MG
hemi-Oxanthromicin 0.5 mg CAS number 91161-78-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£175.82 £195.35
hemi-Oxanthromicin 2.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: H058-2.5MG
hemi-Oxanthromicin 2.5 mg CAS number 91161-78-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£614.63 £682.92
Hemipyocyanine 25 mg
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Manufacturer: TOKU-E Item Number: H028-25MG
Hemipyocyanine 25 mg CAS number 528-71-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£308.75 £343.06
Hemipyocyanine 5 mg
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Manufacturer: TOKU-E Item Number: H028-5MG
Hemipyocyanine 5 mg CAS number 528-71-2 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£88.63 £98.48
Herbicidin A 1 mg
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Manufacturer: TOKU-E Item Number: H029-1MG
Herbicidin A 1 mg CAS number 55353-31-6 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Herbicidin A 5 mg
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Manufacturer: TOKU-E Item Number: H029-5MG
Herbicidin A 5 mg CAS number 55353-31-6 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Herbimycin A 1 mg
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Manufacturer: TOKU-E Item Number: H002-1MG
Herbimycin A 1 mg CAS number 70563-58-5 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£291.90 £324.33
Herbimycin A 5 x 1 mg
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Manufacturer: TOKU-E Item Number: H002-5x1MG
Herbimycin A 5 x 1 mg CAS number 70563-58-5 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£1,019.23 £1,132.48
Herbimycin C 0.5 mg
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Manufacturer: TOKU-E Item Number: H030-0.5MG
Herbimycin C 0.5 mg CAS number 91700-92-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£267.34 £297.04
Herbimycin C 2.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: H030-2.5MG
Herbimycin C 2.5 mg CAS number 91700-92-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£931.09 £1,034.54
Heronamide C 1 mg
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Manufacturer: TOKU-E Item Number: H038-1MG
Heronamide C 1 mg CAS number 1257083-94-5 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£268.30 £298.11
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