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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Glycol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Glycol impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Glycol-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Glycol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-Benzodioxole-5-glycolic Acid-d3 Stable Isotopes CS-T-102650 27738-46-1(Unlabelled) Enquire
3-Sulfoglycolithocholic Acid Disodium Salt-d5 Stable Isotopes CS-T-99430 Not Available Enquire
Adrenaline Related Compound 1 (4-hydroxy-3-methoxy-phenylgly... Stable Isotopes CS-P-07846 55-10-7 (Unlabeled) Enquire
Diethylene Glycol Dimethacrylate-d4 Stable Isotopes CS-T-98854 Not Available Enquire
Diethylene Glycol Dimethacrylate-d8 Stable Isotopes CS-T-98853 Not Available Enquire
Diethyleneglycol Monolauryl Ether-d25 Stable Isotopes CS-T-98609 Not Available Enquire
Dimethyl Diglycolate-d4 Stable Isotopes CS-T-101475 1107650-54-3 Enquire
Dioctanoylglycol-d4 Stable Isotopes CS-T-101071 Not Available Enquire
Ethylene Glycol Monopalmitate-d4 Stable Isotopes CS-T-101405 - Enquire
Glyceryl-d5 Monothioglycolate Stable Isotopes CS-T-98128 Not Available Enquire
Glycolaldehyde-1 13C Stable Isotopes CS-T-55434 71122-42-4 Enquire
Glycolaldehyde-1,2 13C2 Stable Isotopes CS-T-55436 478529-69-0 Enquire
Glycolaldehyde-2 13C Stable Isotopes CS-T-55435 478529-67-8 Enquire
N,N',N'',N'''Tetraacetylglycoluril-d12 Stable Isotopes CS-T-99812 Not Available Enquire
N-Glycolylneuraminic Acid-d4 Stable Isotopes CS-O-59882 1113-83-3(unlabelled) Enquire
NPG Glycol-d6 Stable Isotopes CS-T-103077 14671-00-2 Enquire
p-Anisaldehyde Propylene Glycol Acetal-d3 Stable Isotopes CS-T-102672 6414-32-0(Unlabelled) Enquire
Propylene Glycol 2-b-Glucopyranosiduronic Acid Benzyl Ester-... Stable Isotopes CS-T-98407 Not Available Enquire
Propylene Glycol b-D-Glucopyranosiduronic Acid Benzyl Ester ... Stable Isotopes CS-T-98408 Not Available Enquire
Propylene Glycol-d6 2-Glucuronide Sodium Salt (Mixture of Di... Stable Isotopes CS-T-94447 Not Available Enquire
Quetiapine Tetra Ethylene Glycol Fumarate-d8 Stable Isotopes CS-T-101560 2734435-09-5 Enquire
Scopine Di(2-thienylglycolate)-D3 Stable Isotopes CS-T-95015 1126775-83-4 Enquire
Tetraethylene Glycol-d8 Stable Isotopes CS-T-101815 Not Available Enquire
Triethylene Glycol Mono(p-nonylphenyl)-13C6 Ether Stable Isotopes CS-T-102012 Not Available Enquire
[U-13C2]-tert-Butyldimethylsilylethylene glycol Stable Isotopes CS-EK-00681 1261395-13-4 Enquire
Diethyleneglycol Monoethyl-d5 Ether Stable Isotopes CS-T-95246 1219804-11-1 Enquire
Diglycolic Acid-d4 Sodium Salt Stable Isotopes CS-T-95104 Not Available Enquire
Ethylene glycol 13C2,D4 Stable Isotopes CS-CX-00466 107-21-1 (Unlabeled) Enquire
Ethylene glycol D6 Stable Isotopes CS-CX-00467 15054-86-1 Enquire
Ethylene Glycol Dicaprate-d4 Stable Isotopes CS-T-95121 Not Available Enquire
Ethylene Glycol Dilaurate-d4 Stable Isotopes CS-T-95122 Not Available Enquire
Glycolic Acid 13C2 Stable Isotopes CS-T-55444 111389-68-5 In Stock
Glycolic Acid-13C Sodium Salt Stable Isotopes CS-T-78885 1706469-52-4 Enquire
Glycolic-2,2-d2 Acid Stable Isotopes CS-T-94793 75502-10-2 Enquire
Glycolithocholic-2,2,4,4-d4 Acid Stable Isotopes CS-O-33829 2044276-16-4 Enquire
Oligo(ethylene glycol) [] decyl ether-d21 Stable Isotopes CS-PM-01686 Not Available Enquire
Oligo(ethylene glycol) [] dodecyl ether-d25 Stable Isotopes CS-PM-01688 Not Available Enquire
Oligo(ethylene glycol-d4) [] decyl ether-d21 Stable Isotopes CS-PM-01687 Not Available Enquire
Oligo(ethylene glycol-d4) [] dodecyl ether-d25 Stable Isotopes CS-PM-01689 Not Available Enquire
Poly(ethylene glycol-d4) dimethyl ether, [a-methoxy-,w-metho... Stable Isotopes CS-PM-01534 Not Available Enquire
Poly(ethylene glycol-d4) dimethyl ether, [a-methoxy-,w-metho... Stable Isotopes CS-PM-01533 Not Available Enquire
Poly(ethylene glycol-d4) dimethyl ether, [a-methoxy-,w-metho... Stable Isotopes CS-PM-01535 Not Available Enquire
Poly(ethylene glycol-d4) ethyl ether-d5 Stable Isotopes CS-PM-01532 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether, [a-methoxyethyl-,w-hy... Stable Isotopes CS-PM-01537 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether, [a-methoxyisopropyl-,... Stable Isotopes CS-PM-01538 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether, a-amino-terminated Stable Isotopes CS-PM-01634 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether, w-thiol-terminated Stable Isotopes CS-PM-01635 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether-d3, [w-deuteroxy-termi... Stable Isotopes CS-PM-01536 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether-d3, w-acryloyl-termina... Stable Isotopes CS-PM-01636 Not Available Enquire
Poly(ethylene glycol-d4) methyl ether-d3, w-methacryloyl-ter... Stable Isotopes CS-PM-01637 Not Available Enquire
Poly(ethylene glycol-d4) tert-octylphenyl ether, w-(oligo[et... Stable Isotopes CS-PM-01639 Not Available Enquire
Poly(ethylene glycol-d4) tert-octylphenyl ether, w-hydroxy-t... Stable Isotopes CS-PM-01638 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(deuteroxy)-terminated Stable Isotopes CS-PM-01527 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(deuteroxy)-terminated Stable Isotopes CS-PM-01526 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(deuteroxy)-terminated; wit... Stable Isotopes CS-PM-01528 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(hydroxy)-terminated Stable Isotopes CS-PM-01530 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(hydroxy)-terminated Stable Isotopes CS-PM-01529 Not Available Enquire
Poly(ethylene glycol-d4), a,w-bis(hydroxy)-terminated; with ... Stable Isotopes CS-PM-01531 Not Available Enquire
Poly(propylene glycol-d6), a,w-bis(hydroxy)-terminated Stable Isotopes CS-PM-01539 Not Available Enquire
Propylene glycol -D5 Stable Isotopes CS-O-15952 110-98-5(Unlabeled) Enquire
Propylene Glycol-d6 1-Glucuronide (Mixture of Diastereomers)... Stable Isotopes CS-T-94313 Not Available Enquire
rac 3,4-Dihydroxyphenylethylene Glycol-d3 Stable Isotopes CS-O-42590 2182366-04-5 Enquire
rac 3,4-Dihydroxyphenylethylene Glycol-d5 Stable Isotopes CS-T-90166 1794783-36-0 Enquire
rac 4-Hydroxy-3-methoxyphenylethylene Glycol-d3 Stable Isotopes CS-T-56025 74495-72-0 Enquire
rac Styrene Glycol D8 Stable Isotopes CS-T-61438 871217-81-1 Enquire
tert-Butyldimethylsilylethylene glycol 13C2,D4 Stable Isotopes CS-CX-00410 1261395-36-1 Enquire
Thiodiglycol-d8 Stable Isotopes CS-T-86603 1435934-55-6 Enquire
Thiodiglycolic Acid-d4 Stable Isotopes CS-T-86501 132090-51-8 Enquire
Triethylene glycol, α,ω-bis(methacrylate-d5)-terminated Stable Isotopes CS-PM-01690 Not Available Enquire
Triethylene glycol-D12 Stable Isotopes CS-O-38619 112-27-6 (Unlabelled) Enquire
Triethyleneglycol Monolauryl Ether-d25 Stable Isotopes CS-T-86528 171922-68-2 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethyl Glycolate API CS-T-22847 623-50-7 In Stock
C-Veratroylglycol API CS-E-00398 168293-10-5 Enquire
Glycolithocholic Acid Sodium Salt API CS-I-00086 24404-83-9 Enquire
Glycoloyl Chloride Ethyl Carbonate API CS-T-79303 858255-52-4 Enquire
Glycoluril API CS-T-78440 496-46-8 Enquire
Isobutene Glycol API CS-T-29633 558-43-0 Enquire
NPG Glycol API CS-T-37659 126-30-7 Enquire
Octaethylene Glycol API CS-T-37755 5117-19-1 Enquire
Thiodiglycolic acid API CS-DU-00201 123-93-3 Enquire
Vanilglycolic Acid API CS-P-01195 2021-40-1 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Glycolithocholic acid-3 Sulfate Metabolite CS-O-16580 15324-64-8 Enquire
rac 3,4-Dihydroxyphenylethylene Glycol Metabolite CS-T-53255 28822-73-3 In Stock
Dithienylglycolic acid Metabolite CS-O-14036 4746-63-8 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-(+)-Ibuprofen Propylene Glycol Ester Impurity CS-EO-01027 95093-58-6 In Stock
Amlodipine glycolic adduct Impurity CS-O-48804 ---- Enquire
Atorvastatin Calcium Propylene Glycol Solvate Impurity CS-EO-03347 1040350-07-9 Enquire
Binimetinib Ethylene glycol dimer impurity Impurity CS-O-44868 Not Available Enquire
Desglycolaldehyde Desonide Impurity CS-T-73175 117782-95-3 Enquire
Diethylene glycol dinitrate Impurity CS-O-57582 693-21-0 In Stock
Diphenylglycoluril Impurity CS-T-20901 5157-15-3 Enquire
Empagliflozin Ethylene Glycol Analog Impurity CS-O-59921 ---- Enquire
Etomidate propylene glycol ester Impurity CS-O-42148 Not Available In Stock
Fosfomycin Glycolic Impurity CS-O-14449 Not Available In Stock
Midazolam glycol ether Impurity CS-O-44080 Not Available Enquire
Naproxen 1,2-Propylene Glycol Esters (Mixture of Isomers) Impurity CS-EO-01568 Not Available Enquire
Propylene glycol ester of cetrizine diastereomer 2 Impurity CS-EO-00499 Not Available Enquire
Sugammadex Monothioglycolic acid impurity Impurity CS-O-34464 Not Available In Stock
Tetraethyleneglycol Bisibuprofen Ester Impurity CS-T-86378 1161014-75-0 In Stock
(3-Cyanophenyl)boronic acid, neopentyl glycol ester Impurity CS-T-73148 214360-45-9 Enquire
1,3-Benzodioxole-5-glycolic Acid Impurity CS-O-41174 27738-46-1 Enquire
1,8-(Bismaleamic Acid)triethyleneglycol Impurity CS-T-07046 125008-83-5 Enquire
2,4,7,8,9-Pentaacetyl-D-N-acetylglycolylneuraminic Acid Meth... Impurity CS-T-60199 118865-38-6 Enquire
2-Bromomethylphenylboronic acid,neopentyl glycol ester Impurity CS-DL-00356 441011-76-3 Enquire
2-O-(p-Nitrophenyl)-4,7,8,9-tetra-O-acetyl-α-D-N-acetyl... Impurity CS-T-59580 1000890-49-2 Enquire
3-(Cyclopentylaminocarbonyl)phenylboronic acid, neopentyl gl... Impurity CS-T-73451 850567-45-2 Enquire
3-Chloro-2-cyanophenylboronic acid neopentyl glycol ester Impurity CS-T-71781 883899-06-7 Enquire
3-Chloropyridine-4-boronic acid, neopentyl glycol ester Impurity CS-T-72643 915070-52-9 Enquire
4-Chlorobenzonitrile-2,5-diboronic Acid Neopentyl Glycol Est... Impurity CS-T-72204 1072944-28-5 Enquire
4-Cyanophenylboronic acid, neopentyl glycol ester Impurity CS-T-73528 214360-44-8 Enquire
5-Formylfuran-2-boronic acid, neopentyl glycol ester Impurity CS-T-74593 1218791-07-1 Enquire
Acetylglycol Salicylate Impurity CS-CD-00096 87-23-0 Enquire
Bendamustine Propylene Glycol Ester 1 Impurity CS-EO-00622 1219709-88-2 Enquire
Binimetinib - Ethyleneglycol ester impurity Impurity CS-O-38052 Not Available Enquire
Bis(neopentyl glycolato)diboron Impurity CS-T-07145 201733-56-4 Enquire
Cetirizine Polyethylene Glycol (PEG) Ester Impurity CS-T-50496 1509941-93-8 Enquire
Di-2-Thienyl-glycolic Acid Hexagol Ester Impurity CS-T-86650 1797030-08-0 Enquire
Diethylene Glycol Bisphthalate Impurity CS-T-52802 13988-26-6 Enquire
Diethylene Glycol Dimethacrylate Impurity CS-T-52805 2358-84-1 Enquire
Diethylene Glycol Dimethanesulfonate Impurity CS-T-52798 34604-52-9 Enquire
Dimethyl Diglycolate Impurity CS-T-53647 7040-23-5 Enquire
DODECAETHYLENE GLYCOL MONOMETHYL ETHER Impurity CS-DL-00591 5702-16-9 Enquire
Ethylene glycol monododecyl ether Impurity CS-T-74831 4536-30-5 Enquire
Ibuprofen 1,2-Propylene Glycol Esters (Mixture of Regio- and... Impurity CS-O-38281 Not Available Enquire
Ibuprofen 1,3-Butylene Glycol Esters (Mixture of Regio- and ... Impurity CS-O-38283 Not Available Enquire
Ibuprofen 2,3-Butylene Glycol Ester Impurity CS-O-38284 95093-59-7 Enquire
lpha, oMega-Dipropionic acid triethylene glycol Impurity CS-DL-00557 31127-85-2 Enquire
Methyl Acrylamidoglycolate Methyl Ester Impurity CS-T-33005 77402-03-0 Enquire
O,O-Bis(2-aminoethyl)hexaethylene Glycol Impurity CS-T-06686 332941-25-0 Enquire
O-METHYL-UNDECAETHYLENE GLYCOL Impurity CS-DL-00788 114740-40-8 Enquire
Poly(ethylene glycol) dithiol Impurity CS-DL-00528 68865-60-1 Enquire
Polyethylene Glycol Monoisotridecyl Ether Impurity CS-T-60660 9043-30-5 Enquire
Propylene glycol ester of Azelaic acid Impurity Impurity CS-EO-01825 Not Available Enquire
Propylene glycol ester of cetrizine diastereomer 1 Impurity CS-EO-00498 2705552-48-1 Enquire
Squalene-2,3-glycol Impurity CS-T-61405 14031-37-9 Enquire
Tetraethylene Glycol DI-P-Tosylate Impurity CS-DL-01016 37860-51-8 Enquire
Tri(propylene glycol) diacrylate Impurity CS-CF-00043 42978-66-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,8-Bis(maleimido)triethyleneglycol Intermediate CS-T-49349 115597-84-7 In Stock
3-Sulfoglycolithocholic Acid Disodium Salt Intermediate CS-T-61465 64936-82-9 In Stock
Ethylene glycol dinitrate Intermediate CS-ED-41829 628-96-6 Enquire
Ethylene Glycol Monoisopropyl Ether Intermediate CS-BX-00468 109-59-1 In Stock
Glycolic Acid Intermediate CS-T-25635 79-14-1 In Stock
Methyl Thioglycolate Intermediate CS-T-35173 2365-48-2 In Stock
Polyethylene Glycol 400 Intermediate CS-BX-00702 25322-68-3 In Stock
rac Styrene Glycol Intermediate CS-T-42715 93-56-1 In Stock
Thiodiglycolic anhydride Intermediate CS-T-86510 3261-87-8 In Stock
Thioglycolicacid, 70% Intermediate CS-T-44224 68-11-1 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Glycolithocholic Acid-3-O-Beta-glucuronide Disodium Glucuronide CS-T-78627 75672-15-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2-Ethylene glycol Fine Chemicals CS-T-22225 107-21-1 In Stock
3,3,3-Trifluoro-1,2-propylene glycol Fine Chemicals CS-O-52253 431-39-0 Enquire
Dibutylene glycol Fine Chemicals CS-O-49745 3403-82-5 Enquire
Diethylene glycol monoethyl ether Fine Chemicals CS-T-52806 111-90-0 In Stock
Diethylene glycol-dimethyl terephthalate cyclic tetramer Fine Chemicals CS-O-58759 16104-98-6 Enquire
Dipropylene glycol monomethyl ether Fine Chemicals CS-O-55752 34590-94-8 Enquire
Ethylene Glycol Monopropyl Ether Fine Chemicals CS-DE-01446 2807-30-9 In Stock
Glycol Distearate Fine Chemicals CS-O-54210 627-83-8 Enquire
Glycolide Fine Chemicals CS-DE-01669 502-97-6 In Stock
Hexaethylene glycol monododecyl ether Fine Chemicals CS-T-78075 3055-96-7 In Stock
Poly(ethylene Glycol) 6000 Fine Chemicals CS-O-15159 25322-68-3 In Stock
Polyethylene glycol 1000 Fine Chemicals CS-O-31014 9002-96-4 In Stock
Polyethylene glycol 200 Fine Chemicals CS-O-30736 25322-68-3 In Stock
Polyethylene glycol 2000 Fine Chemicals CS-O-31168 25322-68-3 In Stock
Propylene Glycol Monocaprylate Fine Chemicals CS-O-58868 31565-12-5 Enquire
Sodium thioglycolate Fine Chemicals CS-O-02321 367-51-1 In Stock
Triethylene glycol tosylate Fine Chemicals CS-O-56806 227932-82-3 Enquire
(+)-Styrene glycol Fine Chemicals CS-T-42718 25779-13-9 Enquire
(R)-Styrene glycol Fine Chemicals CS-T-42717 16355-00-3 Enquire
1,3-Butyleneglycol dimethacrylate Fine Chemicals CS-ED-02022 1189-08-8 Enquire
2-Ethylhexyl thioglycolate Fine Chemicals CS-DE-01461 7659-86-1 Enquire
Diethylene glycol adipate Fine Chemicals CS-ED-01291 58984-19-3 Enquire
Diethylene glycol monostearate Fine Chemicals CS-O-54281 106-11-6 Enquire
Dodecaethylene glycol Fine Chemicals CS-BX-01073 6790-09-6 Enquire
Ethylene glycol bis(trichloroacetate) Fine Chemicals CS-ZH-38431 2514-53-6 Enquire
Ethylene Glycol Butyl Ether Fine Chemicals CS-BX-00896 111-76-2 Enquire
Ethylene glycol monodecyl ether Fine Chemicals CS-T-76634 23238-40-6 Enquire
Ethylene glycol monohexyl ether Fine Chemicals CS-T-74970 112-25-4 Enquire
Ethylene glycol monotosylate Fine Chemicals CS-O-34514 42772-85-0 Enquire
Heptaethylene Glycol Monododecyl Ether Fine Chemicals CS-T-79120 3055-97-8 Enquire
Hexaethylene Glycol Fine Chemicals CS-T-26107 2615-15-8 Enquire
Hexaethylene Glycol Monodecyl Ether Fine Chemicals CS-T-78576 5168-89-8 Enquire
Phosphoglycolic Acid Fine Chemicals CS-T-39830 13147-57-4 Enquire
Polyethylene Glycol 600 Fine Chemicals CS-O-31013 25322-68-3 In Stock
Potassium Thioglycolate Fine Chemicals CS-ED-00005 34452-51-2 Enquire
Sodium glycolate Fine Chemicals CS-ZH-17057 2836-32-0 Enquire
Tetraethylene Glycol Monododecyl Ether Fine Chemicals CS-DA-00295 5274-68-0 Enquire
TETRAPHENYL DIPROPYLENEGLYCOL DIPHOSPHITE Fine Chemicals CS-ED-01400 80584-85-6 Enquire
Tosylglycolic Acid Fine Chemicals CS-T-86512 39794-77-9 Enquire
Triethylene glycol diacetate Fine Chemicals CS-ED-02015 111-21-7 Enquire
Triethylene glycol monobutyl ether Fine Chemicals CS-ED-02192 143-22-6 Enquire
Triethylene Glycol Monoethyl Ether Methacrylate Fine Chemicals CS-DE-01354 39670-09-2 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Diethylene Glycol Monobutyl Ether Building Blocks CS-BX-00887 112-34-5 In Stock
Dipropylene glycol (mixture of isomers) Building Blocks CS-O-56849 25265-71-8 Enquire
Trimethylolpropane Tris(thioglycolate) Building Blocks CS-BX-02714 10193-96-1 Enquire
1,8-Diaminotriethyleneglycol Building Blocks CS-T-52434 929-59-9 Enquire
4-Amino-Cbz-N-bis((tripropyleneglycol(1,3-dihydroxypropan-2-... Building Blocks CS-O-43567 1309777-57-8 Enquire
Ammonium glycolate Building Blocks CS-ED-42313 35249-89-9 Enquire
Dipropylene glycol Building Blocks CS-O-56849-3KG 25265-71-8 Enquire
Eicosa(ethylene glycol) Building Blocks CS-TB-51043 351342-08-0 Enquire
Ethylene glycol dibenzyl ether Building Blocks CS-O-43455 622-22-0 Enquire
Methoxy polyethylene glycol succinate N-hydroxy succinimide Building Blocks CS-BX-01302 78274-32-5 Enquire
Poly(D,L-lactide-co-glycolide) acid terminated Building Blocks CS-O-44653 26780-50-7 Enquire
Tetraethylammonium bromide 0.4 mol/l in ethylene glycol Building Blocks CS-BX-02961 Not Available Enquire
Triethyleneglycol-di-p-toluenesulphonate Building Blocks CS-O-43428 19249-03-7 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Flufenacet-thioglycolate sulfoxide Pesticide Standards CS-BX-00589 201668-33-9 Enquire