Recently Viewed 0
Meet Clearsynth at CPHI India 2026 · November 23–25 · Booth 2J10 · IICC, Yashobhoomi, New Delhi View event
My Account Need quick assistance? WhatsApp us +91-22-45045900 sales@clearsynth.com
Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

Showing 8713-8736 of 27566 products
All In Stock Custom Synthesis
21-Dehydro Desonide Hydrate chemical structure
Custom Synthesis

21-Dehydro Desonide Hydrate

CAT No. CS-F-00239
CAS No. 2820170-73-6
Category Impurity
Parent API
Formula C24H32O7
Mol. Wt. 432.51
21-Dehydro Flumethasone chemical structure
Custom Synthesis

21-Dehydro Flumethasone

CAT No. CS-T-51710
CAS No. 65751-65-7
Category Impurity
Parent API Flumethasone
Formula -
Mol. Wt.
21-Dehydro Prednisolone chemical structure
Custom Synthesis

21-Dehydro Prednisolone

CAT No. CS-T-51793
CAS No. 22420-16-2
Category Impurity
Parent API Prednisolone
Formula C21H26O5
Mol. Wt. 358.4
21-Deoxy Cortisone chemical structure
Custom Synthesis

21-Deoxy Cortisone

CAT No. CS-T-73563
CAS No. 1882-82-2
Category Impurity
Parent API Hydrocortisone
Formula C21H28O4
Mol. Wt. 344.5
21-Deoxy Hydrocortisone chemical structure
Custom Synthesis

21-Deoxy Hydrocortisone

CAT No. CS-P-07494
CAS No. 34184-82-2
Category Impurity
Parent API Hydrocortisone
Formula -
Mol. Wt.
21-Desmethyl everolimus chemical structure
Custom Synthesis

21-Desmethyl everolimus

CAT No. CS-O-63321
CAS No. -
Category Impurity
Parent API everolimus
Formula C52H81NO14
Mol. Wt. 944.21
21-Diazoprogesterone chemical structure
Custom Synthesis

21-Diazoprogesterone

CAT No. CS-O-63318
CAS No. 53892-00-5
Category Impurity
Parent API progesterone
Formula 21-Diazopregn-4-ene-3,20-dione
Mol. Wt. 340.46
21-di-iodo Deflazacort chemical structure
Custom Synthesis

21-di-iodo Deflazacort

CAT No. CS-O-56574
CAS No.
Category Impurity
Parent API deflazacort
Formula C23H27I2NO4
Mol. Wt. 635.27
21-Ethyl Pimecrolimus chemical structure
Custom Synthesis

21-Ethyl Pimecrolimus

CAT No. CS-O-59219
CAS No.
Category Impurity
Parent API Pimecrolimus
Formula C44H70ClNO11
Mol. Wt. 824.5
21-Hemiacetal Betamethasone chemical structure
Custom Synthesis

21-Hemiacetal Betamethasone

CAT No. CS-P-08430
CAS No. -
Category Impurity
Parent API Betamethasone
Formula C23H31FO6
Mol. Wt. 422.5
21-Hemiacetal Dexamethasone chemical structure
Custom Synthesis

21-Hemiacetal Dexamethasone

CAT No. CS-P-07690
CAS No. 473273-03-9
Category Impurity
Parent API Dexamethasone
Formula C23H31FO6
Mol. Wt. 422.5
21-Methoxy Desonide chemical structure
Custom Synthesis

21-Methoxy Desonide

CAT No. CS-F-00245
CAS No. -
Category Impurity
Parent API
Formula C25H34O7
Mol. Wt. 446.53
21-Norrapamycin chemical structure
Custom Synthesis

21-Norrapamycin

CAT No. CS-ED-00191
CAS No. 156223-31-3
Category Impurity
Parent API Rapamycin
Formula C50H77NO13
Mol. Wt. 900.15
21-O-methyl Vinblastine impurity chemical structure
Custom Synthesis

21-O-methyl Vinblastine impurity

CAT No. CS-O-54673
CAS No.
Category Impurity
Parent API Vinblastine
Formula C47H60N4O10
Mol. Wt. 841.00
21'-O-Methyl-Vincristine Impurity N chemical structure
Custom Synthesis

21'-O-Methyl-Vincristine Impurity N

CAT No. CS-O-63492
CAS No. -
Category Impurity
Parent API Vincristine
Formula C47H58N4O11
Mol. Wt. 855.00
21-oxo-3,20-dioxopregn-4-en-17-yl propionate chemical structure
Custom Synthesis

21-oxo-3,20-dioxopregn-4-en-17-yl propionate

CAT No. CS-O-39468
CAS No. -
Category Impurity
Parent API
Formula C24H32O5
Mol. Wt. 400.51
21-Tertiary methyoxy Rifampicin chemical structure
Custom Synthesis

21-Tertiary methyoxy Rifampicin

CAT No. CS-O-53728
CAS No.
Category Impurity
Parent API Rifampicin
Formula C47H66N4O12
Mol. Wt. 879.05
2-2 Dimethylamino Ethoxy Ethanol chemical structure
Custom Synthesis

2-2 Dimethylamino Ethoxy Ethanol

CAT No. CS-O-43175
CAS No. -
Category Impurity
Parent API Butamirate
Formula C6H16N2O2
Mol. Wt. 148.20
22,23-dihydro-23-hydroxyl-Eprinomectin b1a chemical structure
Custom Synthesis

22,23-dihydro-23-hydroxyl-Eprinomectin b1a

CAT No. CS-O-61665
CAS No. 172842-97-6
Category Impurity
Parent API Eprinomectin
Formula C50H77NO15
Mol. Wt. 932.2
22,23-dihydroavermectin B1(a) chemical structure
Custom Synthesis

22,23-dihydroavermectin B1(a)

CAT No. CS-ED-00166
CAS No. 94837-49-7
Category Impurity
Parent API Avermectin
Formula C48H75O17P
Mol. Wt. 955.07
22S-6β-Hydroxy Budesonide chemical structure
Custom Synthesis

22S-6β-Hydroxy Budesonide

CAT No. CS-T-78408
CAS No. 93861-51-9
Category Impurity
Parent API Budesonide
Formula -
Mol. Wt.
23, 24-BISNOR-5-CHOLENIC ACID-3-ß-OL chemical structure
Custom Synthesis

23, 24-BISNOR-5-CHOLENIC ACID-3-ß-OL

CAT No. CS-V-00070
CAS No. 566-77-8
Category Impurity
Parent API
Formula -
Mol. Wt.
23-Epi-26-Deoxyactein chemical structure
Custom Synthesis

23-Epi-26-Deoxyactein

CAT No. CS-O-57197
CAS No. 501938-01-8
Category Impurity
Parent API 26-Deoxyactein
Formula C37H56O10
Mol. Wt. 660.83
23-Ethyl Rapamycin chemical structure
Custom Synthesis

23-Ethyl Rapamycin

CAT No. CS-O-63250
CAS No. 1290606-21-1
Category Impurity
Parent API Rapamycin
Formula C52H81NO13
Mol. Wt. 928.21

Impurity Products at Clearsynth

Browse available Impurity products from Clearsynth. These compounds support analytical research, quality control and pharmaceutical development.

Browse available compounds above or contact our team for custom synthesis and bulk requirements.

Done
RFQ Basket 0
Quick Enquiry
Tell us what you need
Quote Basket
Selected RFQ Items
Your RFQ basket is empty. Add a product block or copy a guided requirement here.