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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: G057-5MG
Gliotoxin 5 mg CAS number 67-99-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£325.13 £361.26
Manufacturer: TOKU-E Item Number: G058-1G
Glyphosate 1 g CAS number 1071-83-6 and purity ≥ 98.0%...
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£84.29 £93.66
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%
£275.52 £306.13
Manufacturer: TOKU-E Item Number: G088-0.25MG
GR24 0.25 mg CAS number 76974-79-3 and purity >95% by HPLC...
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£181.11 £201.24
Manufacturer: TOKU-E Item Number: G088-1MG
GR24 1 mg CAS number 76974-79-3 and purity >95% by HPLC...
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£633.41 £703.79
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%
£245.66 £272.95
Manufacturer: TOKU-E Item Number: G065-5MG
Graphislactone A 5 mg CAS number 52179-44-9 and purity >95% by HPLC...
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£857.87 £953.19
Manufacturer: TOKU-E Item Number: G090-0.25MG
Griseofulvic acid 0.25 mg CAS number 469-54-5 and purity >95% by HPLC...
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£161.84 £179.83
Manufacturer: TOKU-E Item Number: G090-1MG
Griseofulvic acid 1 mg CAS number 469-54-5 and purity >95% by HPLC...
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£562.12 £624.58
Manufacturer: TOKU-E Item Number: G008-25G
Griseofulvin 25 g CAS number 126-07-8 and purity ≥900 µg/mg...
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£192.67 £214.08
Manufacturer: TOKU-E Item Number: G008-5G
Griseofulvin 5 g CAS number 126-07-8 and purity ≥900 µg/mg...
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£54.91 £61.01
Manufacturer: TOKU-E Item Number: G008-50G
Griseofulvin 50 g CAS number 126-07-8 and purity ≥900 µg/mg...
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£363.19 £403.54
Manufacturer: TOKU-E Item Number: G019-10x25G
Guanidine thiocyanate Ultrapure 10 x 25 g CAS number 593-84-0 and purity ≥ 99.0%...
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£162.81 £180.90
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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%...
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£55.87 £62.08
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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%
£112.71 £125.24
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%
£486.02 £540.02
Manufacturer: TOKU-E Item Number: H053-1MG
Hecogenin acetate 1 mg CAS number 915-35-5 and purity >99% by HPLC...
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£51.54 £57.27
Manufacturer: TOKU-E Item Number: H053-5MG
Hecogenin acetate 5 mg CAS number 915-35-5 and purity >99% by HPLC...
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£179.19 £199.09
Manufacturer: TOKU-E Item Number: H057-0.1MG
Helvolic acid 0.1 mg CAS number 29400-42-8 and purity >99% by HPLC...
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£122.35 £135.94
Manufacturer: TOKU-E Item Number: H057-0.5MG
Helvolic acid 0.5 mg CAS number 29400-42-8 and purity >99% by HPLC...
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£423.40 £470.44
Manufacturer: TOKU-E Item Number: H058-0.5MG
hemi-Oxanthromicin 0.5 mg CAS number 91161-78-3 and purity >99% by HPLC...
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£181.11 £201.24
Manufacturer: TOKU-E Item Number: H058-2.5MG
hemi-Oxanthromicin 2.5 mg CAS number 91161-78-3 and purity >99% by HPLC...
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£633.41 £703.79
Manufacturer: TOKU-E Item Number: H028-25MG
Hemipyocyanine 25 mg CAS number 528-71-2 and purity >98% by HPLC...
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£318.39 £353.77
Manufacturer: TOKU-E Item Number: H028-5MG
Hemipyocyanine 5 mg CAS number 528-71-2 and purity >98% by HPLC...
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£91.52 £101.69
Manufacturer: TOKU-E Item Number: H029-1MG
Herbicidin A 1 mg CAS number 55353-31-6 and purity >95% by HPLC...
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£263.96 £293.29
Manufacturer: TOKU-E Item Number: H029-5MG
Herbicidin A 5 mg CAS number 55353-31-6 and purity >95% by HPLC...
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£921.45 £1,023.84
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%
£301.05 £334.50
Manufacturer: TOKU-E Item Number: H002-5x1MG
Herbimycin A 5 x 1 mg CAS number 70563-58-5 and purity ≥ 95.0%...
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£1,050.06 £1,166.74
Manufacturer: TOKU-E Item Number: H030-0.5MG
Herbimycin C 0.5 mg CAS number 91700-92-4 and purity >98% by HPLC...
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£275.52 £306.13
Manufacturer: TOKU-E Item Number: H030-2.5MG
Herbimycin C 2.5 mg CAS number 91700-92-4 and purity >98% by HPLC...
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£959.02 £1,065.58
Manufacturer: TOKU-E Item Number: H038-1MG
Heronamide C 1 mg CAS number 1257083-94-5 and purity >95% by HPLC...
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£276.48 £307.20
Manufacturer: TOKU-E Item Number: H038-5MG
Heronamide C 5 mg CAS number 1257083-94-5 and purity >95% by HPLC...
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£965.29 £1,072.54
Manufacturer: TOKU-E Item Number: H059-0.25MG
Heronapyrrole B 0.25 mg CAS number 1255704-24-5 and purity >99% by HPLC...
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£161.84 £179.83
Manufacturer: TOKU-E Item Number: H059-1MG
Heronapyrrole B 1 mg CAS number 1255704-24-5 and purity >99% by HPLC...
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£562.12 £624.58
Manufacturer: TOKU-E Item Number: H054-1MG
Hesperidin 1 mg CAS number 520-26-3 and purity >99% by HPLC...
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£51.54 £57.27
Manufacturer: TOKU-E Item Number: H0545MG
Hesperidin 5 mg CAS number 520-26-3 and purity >99% by HPLC...
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£179.19 £199.09
Manufacturer: TOKU-E Item Number: H039-25MG
Hexadecanoyl-L-homoserine lactone 25 mg CAS number 87206-01-7 and purity >99% by HPLC...
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£210.98 £234.42
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Manufacturer: TOKU-E Item Number: H039-5MG
Hexadecanoyl-L-homoserine lactone 5 mg CAS number 87206-01-7 and purity >99% by HPLC...
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£60.69 £67.44
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Manufacturer: TOKU-E Item Number: H036-25G
Hexadecylpyridinium bromide 25 g CAS number 140-72-7 and purity ≥ 98.0%...
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£45.28 £50.31
Manufacturer: TOKU-E Item Number: H036-4x25G
Hexadecylpyridinium bromide 4 x 25 g CAS number 140-72-7 and purity ≥ 98.0%...
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£76.11 £84.56
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Manufacturer: TOKU-E Item Number: H040-25MG
Hexanoyl-L-homoserine lactone 25 mg CAS number 147852-83-3 and purity >99% by HPLC...
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£210.98 £234.42
Manufacturer: TOKU-E Item Number: H040-5MG
Hexanoyl-L-homoserine lactone 5 mg CAS number 147852-83-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£60.69 £67.44
Manufacturer: TOKU-E Item Number: H050-0.5MG
Himandridine 0.5 mg CAS number 15521-76-3 and purity >99% by HPLC...
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£181.11 £201.24
Manufacturer: TOKU-E Item Number: H050-2.MG
Himandridine 2.5 mg CAS number 15521-76-3 and purity >99% by HPLC...
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£633.41 £703.79
Manufacturer: TOKU-E Item Number: H048-1MG
Himbacine 1 mg CAS number 6879-74-9 and purity >99% by HPLC...
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£211.94 £235.49
Manufacturer: TOKU-E Item Number: H048-5MG
Himbacine 5 mg CAS number 6879-74-9 and purity >99% by HPLC...
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£741.31 £823.67
Manufacturer: TOKU-E Item Number: H049-1MG
Himbadine 1 mg CAS number 24932-15-8 and purity >99% by HPLC...
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£181.11 £201.24
Manufacturer: TOKU-E Item Number: H049-5MG
Himbadine 5 mg CAS number 24932-15-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£633.41 £703.79
Manufacturer: TOKU-E Item Number: H052-0.5MG
Himbosine 0.5 mg CAS number 15448-14-3 and purity >99% by HPLC...
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£181.11 £201.24
Manufacturer: TOKU-E Item Number: H052-2.5MG
Himbosine 2.5 mg CAS number 15448-14-3 and purity >99% by HPLC...
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£633.41 £703.79
Manufacturer: TOKU-E Item Number: H051-0.5MG
Himgaline 0.5 mg CAS number 16585-08-3 and purity >99% by HPLC...
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£181.11 £201.24
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