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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Trimethylsilyl, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Trimethylsilyl 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 Trimethylsilyl-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.

Trimethylsilyl Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-[(tr... Stable Isotopes CS-T-100293 Not Available Enquire
(4S)-3-[(2R,5S)-5-(4-Fluorophenyl)-2-[(S)-[(4-fluorophenyl)a... Stable Isotopes CS-T-102535 Not Available Enquire
(4S)-3-[(2R,5S)-5-(4-Fluorophenyl)-2-[(S)-[(4-fluorophenyl)a... Stable Isotopes CS-T-100292 Not Available Enquire
1,2,3,4-Tetrahydro-5-methyl-2,4-bis[(trimethylsilyl)oxy]pyri... Stable Isotopes CS-T-99798 Not Available Enquire
11-O-Triethylsilyl-16-O-trimethylsilyl (8R,11R,12R,16RS)-Mis... Stable Isotopes CS-T-97129 Not Available Enquire
1-Pentyl-4-[2-(trimethylsilyl)ethynyl]benzene-d7 Stable Isotopes CS-T-102764 138220-08-3(Unlabelled) Enquire
2,4-Bis((trimethylsilyl)oxy)pyrimidine-13C,15N2 Stable Isotopes CS-T-100756 Not Available Enquire
2-Methyl-2-[(trimethylsilyl)oxy]propanenitrile-d6 Stable Isotopes CS-T-102537 107090-98-2 Enquire
3-(3-Pyridinylcarbonyl-D4)-1-(trimethylsilyl)-2-pyrrolidinon... Stable Isotopes CS-T-98761 Not Available Enquire
7,10-Bis[O-(triethylsilyl)]-10-deacetyl-13-O-trimethylsilyl ... Stable Isotopes CS-T-97749 Not Available Enquire
Calcitriol-dehydroxytrimethylsilyl-3,5-O-tert-butyldimethyls... Stable Isotopes CS-T-97721 Not Available Enquire
Trimethylsilyl 1-Oleo-2-linolein-d5 Stable Isotopes CS-T-102565 Not Available Enquire
Trimethylsilyl cyanide-13C Stable Isotopes CS-O-61026 56804-58-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-2-[(R)-phenyl[(tr... Impurity CS-O-52479 1818351-75-5 Enquire
(3R,4S,5R)-5-((S)-2,3-Bis((trimethylsilyl)oxy)propyl)-3,4-bi... Impurity CS-O-53676 ---- Enquire
(5α,11β)-11,21-Bis[(trimethylsilyl)oxy]pregnane-3,20-dione 3... Impurity CS-O-54331 57305-39-2 Enquire
(S)-3-((2R,5S)-5-(4-Fluorophenyl)-2-((S)-((4- fluorophenyl)a... Impurity CS-O-52481 Not Available Enquire
2,3,4,6-Tetra-O-(trimethylsilyl)-D-glucono-1,5-lactone Impurity CS-O-32367 32384-65-9 In Stock
3-ethoxy-17-hydroxy-11-methylen-17α-trimethylsilylethinyl-13... Impurity CS-O-43078 Not Available Enquire
4,4′-[(2S)-2-Pyrrolidinyl[(trimethylsilyl)oxy]methylene]bis[... Impurity CS-O-51910 1203648-36-5 Enquire
5-[1,2-bis(trimethylsilyloxy)ethyl]-3,4-bis(trimethylsilylox... Impurity CS-ED-42353 2348-31-4 Enquire
Eicos-11-Enyl Trimethylsilyl Fumarate Impurity CS-O-57257 ---- Enquire
Ezetimibe O-trimethylsilyl O-benzyl Impurity Impurity CS-O-47150 1197343-09-1 Enquire
Heptadecyl Trimethylsilyl Fumarate Impurity CS-O-57256 ---- Enquire
N-trimethylsilyl-Ritalinic acid trimethylsilyl ester Impurity CS-O-47884 Not Available Enquire
Ruxolitinib-7-(((2-(trimethylsilyl)ethoxy)methoxy)methyl)-im... Impurity CS-O-56930 ---- Enquire
4-Chloro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate Impurity CS-ZH-13415 262373-16-0 Enquire
4-Chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3... Impurity CS-M-24043 941685-26-3 Enquire
Methyl 3-(trimethylsilyl)-4-pentenoate Impurity CS-P-07820 185411-12-5 Enquire
N-(Trimethylsilyl)-4-[(trimethylsilyl)oxy]-1,3,5-triazin-2-a... Impurity CS-O-39480 52523-35-0 Enquire
N,N-Bis(trimethylsilyl)-(1R)-1-[(3aS,4S,6S,7aR)-hexahydro-3a... Impurity CS-O-37985 514820-48-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(Trimethylsilyl)ethoxymethyl Chloride Intermediate CS-T-62344 76513-69-4 In Stock
7-(trimethylsilyl)-2,6-bis((trimethylsilyl)oxy)-7H-purine Intermediate CS-O-48856 18641-05-9 In Stock
N,O-Bis(trimethylsilyl)acetamide Intermediate CS-O-10667 10416-59-8 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Trimethylsilyl)imidazole Fine Chemicals CS-M-01798 18156-74-6 In Stock
1-[2-(Trimethylsilyl)Ethoxycarbonyloxy]Pyrrolidin-2,5-Dione Fine Chemicals CS-DV-00791 78269-85-9 In Stock
3R,4S,5R)-5-((R)-2,2,7,7-tetramethyl-3,6-dioxa-2,7-disilaoct... Fine Chemicals CS-O-54872 55515-33-8 Enquire
N,N-Bis-(Trimethylsilyl)-urea Fine Chemicals CS-O-03551 18297-63-7 In Stock
Sodium bis(trimethylsilyl)amide Fine Chemicals CS-O-10520 1070-89-9 Enquire
Trimethylsilyl acetate Fine Chemicals CO-K-00035 2754-27-0 In Stock
Trimethylsilyl diazomethane 2.0M in Hexanes Fine Chemicals CS-DA-00608-100ML 18107-18-1 In Stock
2,4-Dichloro-7-((2-(trimethylsilyl)ethoxy)-methyl)-7H-pyrrol... Fine Chemicals CS-MM-27966 442847-52-1 Enquire
3-(Trimethylsilyl)propiolic acid Fine Chemicals CS-MM-12209 5683-31-8 Enquire
6-O-Methyl-2,4-bis-O-(trimethylsilyl)erythromycin9-[O-(1-eth... Fine Chemicals CS-MM-00248 119699-81-9 Enquire
Acetaldehyde, 2-[(trimethylsilyl)oxy]- Fine Chemicals CS-O-38556 Not Available Enquire
N-methyl (trimethylsilyl)-N-((trimethylsilyl) methyl) methan... Fine Chemicals CS-O-37264 69320-67-8 Enquire
N-methyl-1-(trimethylsilyl)methanamine Fine Chemicals CS-ED-01038 18135-05-2 Enquire
Trimethyl-(methyl-triacontyl-trimethylsilyloxysilyl)oxysilan... Fine Chemicals CS-ZH-21920 401514-97-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,7-Bis(trimethylsilyl)-4,5-pyrenedione Building Blocks CS-O-48201 Not Available Enquire
3-Methoxy-2-(trimethylsilyl)phenyl trifluoromethanesulfonate Building Blocks CS-O-44698 217813-03-1 Enquire
Methyl (trimethylsilyl)propiolate Building Blocks CS-ED-41538 42201-71-8 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(Trimethylsilyl)propionic Acid-d4 Sodium Salt Deuterated Reagents CS-T-62496 24493-21-8 In Stock


Polymers

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
mC1(poly(1-phenyl-2-(m-(trimethylsilyl)phenyl)acetylene) Polymers CS-O-48169 Not Available Enquire
pC1(poly(1-phenyl-2-(p-(trimethylsilyl)phenyl)acetylene) Polymers CS-O-48168 Not Available Enquire


Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Lithium bis(trimethylsilyl)amide 1.0 M in THF Reagents CS-BX-02469-100ML 4039-32-1 Enquire
Lithium bis(trimethylsilyl)amide 1.0 M in THF Reagents CS-BX-02469-1 Ltr 4039-32-1 Enquire