Filter
Your Cart
We use cookies 🍪
We use cookies and other similar technologies to improve your browsing experience and the functionality of our site. Learn Learn more in our Privacy Policy and Cookie Policy.

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.

Dihydrotanshinone I 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D078-50MG
Dihydrotanshinone I 50 mg CAS number 87205-99-0 and purity ≥ 98.0% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£473.49 £526.10
Dihydrozeatin (DHZ) 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D071-25MG
Dihydrozeatin (DHZ) 25 mg CAS number 23599-75-9 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£121.38 £134.87
Dihydrozeatin (DHZ) 50 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D071-50MG
Dihydrozeatin (DHZ) 50 mg CAS number 23599-75-9 and purity ≥ 90.0%...
Price excludes taxes and shipping charges. Save -10%
£202.79 £225.32
Dimetridazole 100 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D009-100G
Dimetridazole 100 g CAS number 551-92-8 and purity (On Dried Basis): 98.0-101.0%...
Price excludes taxes and shipping charges. Save -10%
£444.59 £493.99
Dimetridazole 25 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D009-25G
Dimetridazole 25 g CAS number 551-92-8 and purity (On Dried Basis): 98.0-101.0%...
Price excludes taxes and shipping charges. Save -10%
£116.57 £129.52
Dinactin 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D057-1MG
Dinactin 1 mg CAS number 20261-85-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£297.68 £330.75
Dinactin 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D057-5MG
Dinactin 5 mg CAS number 20261-85-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£1,041.88 £1,157.64
Dipicolinic acid 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D084-25MG
Dipicolinic acid 25 mg CAS number 499-83-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£195.56 £217.29
Dipicolinic acid 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D084-5MG
Dipicolinic acid 5 mg CAS number 499-83-2 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£55.87 £62.08
Dirithromycin 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D033-1G
Dirithromycin 1 g CAS number 62013-04-1 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£140.17 £155.74
DL-2,6-Diaminopimelic acid 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D107-25MG
DL-2,6-Diaminopimelic acid 25 mg CAS number 2577-62-0 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£158.96 £176.62
DL-2,6-Diaminopimelic acid 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D107-5MG
DL-2,6-Diaminopimelic acid 5 mg CAS number 2577-62-0 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£45.76 £50.84
DL-Phosphinothricin 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: P034-1G
DL-Phosphinothricin 1 g CAS number 77182-82-2 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£210.49 £233.88
DL-Phosphinothricin 250 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: P034-250MG
DL-Phosphinothricin 250 mg CAS number 77182-82-2 and purity ≥ 95.0%...
Price excludes taxes and shipping charges. Save -10%
£61.66 £68.51
Dodecanoyl-L-homoserine lactone 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D085-25MG
Dodecanoyl-L-homoserine lactone 25 mg CAS number 137173-46-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£204.71 £227.46
Add to Cart Request A Quote
Dodecanoyl-L-homoserine lactone 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D085-5MG
Dodecanoyl-L-homoserine lactone 5 mg CAS number 137173-46-7 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£58.76 £65.29
Add to Cart Request A Quote
Doramectin 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D058-1G
Doramectin 1 g CAS number 117704-25-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£292.86 £325.40
Doramectin 100 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D058-100MG
Doramectin 100 mg CAS number 117704-25-3 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£59.72 £66.36
Doramectin aglycone 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D059-1MG
Doramectin aglycone 1 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Doramectin aglycone 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D059-5MG
Doramectin aglycone 5 mg CAS number nan and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Doramectin monosaccharide 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D060-1MG
Doramectin monosaccharide 1 mg CAS number 165108-44-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Doramectin monosaccharide 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D060-5MG
Doramectin monosaccharide 5 mg CAS number 165108-44-1 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Doripenem hydrate 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D004-1G
Doripenem hydrate 1 g CAS number 364622-82-2 (hydrate); 148016-81-3 (Dried) and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£306.83 £340.92
Doripenem hydrate 250 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D004-250MG
Doripenem hydrate 250 mg CAS number 364622-82-2 (hydrate); 148016-81-3 (Dried) and purity ≥ 98.0%...
Price excludes taxes and shipping charges. Save -10%
£74.66 £82.96
Doxorubicin 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D063-1MG
Doxorubicin 1 mg CAS number 23214-92-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£97.30 £108.11
Doxorubicin 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D063-5MG
Doxorubicin 5 mg CAS number 23214-92-8 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£340.55 £378.39
Doxorubicin hydrochloride USP 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D005-10MG
Doxorubicin hydrochloride USP 10 mg CAS number 25316-40-9 and purity 98.0% - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£176.78 £196.42
Doxorubicin hydrochloride USP 25 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D005-25MG
Doxorubicin hydrochloride USP 25 mg CAS number 25316-40-9 and purity 98.0% - 102.0%...
Price excludes taxes and shipping charges. Save -10%
£352.59 £391.77
Doxycycline hyclate 1 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D006-1G
Doxycycline hyclate 1 g CAS number 24390-14-5 and purity 800 - 920 pg/mg...
Price excludes taxes and shipping charges. Save -10%
£47.68 £52.98
Doxycycline hyclate 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D006-5G
Doxycycline hyclate 5 g CAS number 24390-14-5 and purity 801 - 920 pg/mg...
Price excludes taxes and shipping charges. Save -10%
£122.35 £135.94
Doxycycline Hyclate ReadyMadeâ„¢ Solution 10 x 1 mL
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D109-10x1ML
Doxycycline Hyclate ReadyMade™ Solution 10 x 1 mL CAS number 24390-14-5 and purity nan...
Price excludes taxes and shipping charges. Save -10%
£119.46 £132.73
Add to Cart Request A Quote
Doxycycline hydrate 25 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D064-25G
Doxycycline hydrate 25 g CAS number 17086-28-1 and purity 803 - 920 pg/mg...
Price excludes taxes and shipping charges. Save -10%
£152.21 £169.12
Doxycycline hydrate 5 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D064-5G
Doxycycline hydrate 5 g CAS number 17086-28-1 and purity 802 - 920 pg/mg...
Price excludes taxes and shipping charges. Save -10%
£39.02 £43.35
Doxycycline Hydrochloride 25mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D065-25MG
Doxycycline Hydrochloride 25mg CAS number 10592-13-9 and purity >96% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£296.71 £329.68
Doxycycline Hydrochloride 5mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D065-5MG
Doxycycline Hydrochloride 5mg CAS number 10592-13-9 and purity >96% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£96.34 £107.04
Drimendiol 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D097-1MG
Drimendiol 1 mg CAS number 34437-62-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£195.56 £217.29
Drimendiol 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D097-5MG
Drimendiol 5 mg CAS number 34437-62-2 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£682.06 £757.84
Drimenol 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D098-1MG
Drimenol 1 mg CAS number 468-68-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£175.82 £195.35
Drimenol 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D098-5MG
Drimenol 5 mg CAS number 468-68-8 and purity >99% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£614.63 £682.92
Drimentine A 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D066-1MG
Drimentine A 1 mg CAS number 204398-90-3 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Drimentine A 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D066-5MG
Drimentine A 5 mg CAS number 204398-90-3 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Drimentine B 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D067-1MG
Drimentine B 1 mg CAS number 204398-91-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Drimentine B 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D067-5MG
Drimentine B 5 mg CAS number 204398-91-4 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Drimentine C 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D068-1MG
Drimentine C 1 mg CAS number 204398-92-5 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£256.26 £284.73
Drimentine C 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: D068-5MG
Drimentine C 5 mg CAS number 204398-92-5 and purity >98% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£894.48 £993.87
Echinocandin B 1 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E031-1MG
Echinocandin B 1 mg CAS number 54651-05-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£257.22 £285.80
Echinocandin B 5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E031-5MG
Echinocandin B 5 mg CAS number 54651-05-7 and purity >95% by HPLC...
Price excludes taxes and shipping charges. Save -10%
£898.34 £998.15
Echinocandin B Nucleus Hydrochloride 10 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E081-10MG
Echinocandin B Nucleus Hydrochloride 10 mg CAS number 1029890-89-8 and purity ≥95-102% (anydrous basis)...
Price excludes taxes and shipping charges. Save -10%
£434.00 £482.22
Add to Cart Request A Quote
Echinosporin 0.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E088-0.5MG
Echinosporin 0.5 mg CAS number 79127-35-8 and purity ≥95% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£175.82 £195.35
Echinosporin 2.5 mg
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E088-2.5MG
Echinosporin 2.5 mg CAS number 79127-35-8 and purity ≥95% (HPLC)...
Price excludes taxes and shipping charges. Save -10%
£614.63 £682.92
Econazole nitrate 100 g
Actual product may differ from image
Manufacturer: TOKU-E Item Number: E001-100G
Econazole nitrate 100 g CAS number 68797-31-9 and purity (On Dried Basis): 98.5-101.0%...
Price excludes taxes and shipping charges. Save -10%
£610.29 £678.10
Showing 1021 to 1071 of 2821 (56 Pages)
Product Filter