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

Methylbutane Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R)-(1S,2S,3R,5S)-Pinanediol-N-(N-pyrazinylphenylalaninoyl)... Stable Isotopes CS-T-94362 205393-22-2(unlabelled) Enquire
Diethyl 2-Hydroxy-3-methylbutanedioate-13C Stable Isotopes CS-T-102734 Not Available Enquire
N-Methylbutane-1,4-diamine, Dihydrochloride-13C, 15N Stable Isotopes CS-T-100049 76464-77-2 (Freebase) Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2-Methylbutane-1,4-diamine dihydrochloride" Impurities CS-M-28129 111469-11-5 Enquire
(2R,3R)-2-Methylbutane-1,2,3,4-tetraol Impurities CS-T-82525 310887-92-4 Enquire
(R)-(-)-2-Amino-2-methylbutanedioic Acid Hydrochloride Salt Impurities CS-T-02954 143282-42-2 Enquire
(S)-(+)-2-Amino-2-methylbutanedioic Acid Hydrochloride Salt Impurities CS-T-02955 143282-41-1 Enquire
1-Isocyanato-3-methylbutane Impurities CS-M-27019 1611-65-0 Enquire
2-(2-Fluoro[1,1’-biphenyl]-4-yl)-2,3-dimethylbutanedioic Aci... Impurities CS-T-76445 1797883-74-9 Enquire
2-Methylbutane Impurities CS-T-31989 78-78-4 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(2R,3R)-2,3-Dihydroxy-2-methylbutanedioic Acid 1,4-Dimethyl... Intermediates CS-T-90260 936335-24-9 Enquire
"(S)-1-(Diphenylphosphino)-2-amino-3,3-dimethylbutane" Intermediates CS-DC-00526 286454-86-2 Enquire
"(S)-1-Bromo-2,3-dimethylbutane" Intermediates CS-T-49766 15164-29-1 Enquire
"1-bromo-3,3-dimethylbutane" Intermediates CS-DV-00856 1647-23-0 Enquire
"2,2-Dimethylbutane" Intermediates CS-T-91674 75-83-2 Enquire
"2,3-Dimethylbutanenitrile" Intermediates CS-T-90971 20654-44-8 Enquire
"2-Amino-2,3-dimethylbutanenitrile" Intermediates CS-M-58202 13893-53-3 Enquire
"N~1~,N~1~-dimethylbutane-1,3-diamine" Intermediates CS-Q-01739 18246-86-1 Enquire
"N-Methylbutane-1,4-diamine, Dihydrochloride" Intermediates CS-T-58025 89690-09-5 Enquire
(2S)-2-amino-3-methylbutanenitrile hydrochloride Intermediates CS-ED-41278 1798904-30-9 Enquire
(R)-1-(Diphenylphosphino)-2-amino-3-methylbutane Intermediates CS-DC-00527 1400149-69-0 Enquire
(S)-1-(Diphenylphosphino)-2-amino-3-methylbutane Intermediates CS-DC-00528 146476-37-1 Enquire
(S)-1-Iodo-2,3-dimethylbutane Intermediates CS-ED-00651 71486-02-7 Enquire
1-(2-Chloroethoxy)-3-methylbutane Intermediates CS-ED-17820 98429-79-9 Enquire
1,1-Dichloro-3,3-dimethylbutane Intermediates CS-T-88463 6130-96-7 Enquire
1,2-Dibromo-2-methylbutane Intermediates CS-ED-00407 10428-64-5 Enquire
1,3-Dibromo-2,3-dimethylbutane Intermediates CS-ED-00331 49623-54-3 Enquire
1-Amino-3-methylbutane-2,3-diol Intermediates CS-ED-40135 1236226-80-4 Enquire
1-Azido-3-methylbutane Intermediates CS-ED-36393 55210-77-0 Enquire
1-Bromo-2,2,3-trimethylbutane Intermediates CS-ED-22775 101419-71-0 Enquire
1-Bromo-3-methylbutane Intermediates CS-T-08557 107-82-4 Enquire
1-Chloro-2-methylbutane Intermediates CS-T-12165 616-13-7 Enquire
1-Phenyl-2-methylbutane Intermediates CS-T-39580 3968-85-2 Enquire
2-((4-methoxyphenyl)amino)-3-methylbutanenitrile Intermediates CS-O-52007 1186231-27-5 Enquire
2-(2,3-dimethoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52008 92040-70-5 Enquire
2-(2,4-dimethoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52009 371214-67-4 Enquire
2-(2,5-dimethoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52010 1082435-26-4 Enquire
2-(2,6-dimethoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52012 2110666-93-6 Enquire
2-(3,4-dimethoxyphenyl)-2-isopropyl-3-methylbutanenitrile Intermediates CS-O-52013 51698-54-5 Enquire
2-(3,5-dimethoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52011 120353-00-6 Enquire
2-(3-methoxyphenyl)-3-methylbutanenitrile Intermediates CS-O-52006 26056-32-6 Enquire
2-(4-chlorophenyl)-3-methylbutanenitrile Intermediates CS-O-44276 2012-81-9 Enquire
2-(Aminomethyl)-2-methylbutanedioic acid hydrochloride Intermediates CS-ED-10488 86970-16-3 Enquire
2-Amino-2,3,3-trimethylbutanenitrile Intermediates CS-ED-09298 52161-34-9 Enquire
2-Amino-2-ethyl-3-methylbutanenitrile Intermediates CS-ED-08725 1179705-68-0 Enquire
2-Amino-2-methylbutanenitrile Intermediates CS-ED-40210 4475-95-0 Enquire
2-Amino-3,3-dimethylbutanenitrile hydrochloride Intermediates CS-ED-05508 1803596-52-2 Enquire
2-Amino-3-methylbutanenitrile hydrochloride Intermediates CS-ED-12236 60586-49-4 Enquire
2-Amino-4-methoxy-2-methylbutanenitrile Intermediates CS-ED-05728 1249634-22-7 Enquire
2-Bromo-3-methylbutane Intermediates CS-T-68924 18295-25-5 Enquire
3,3-Dimethylbutane-1-sulfonyl chloride Intermediates CS-ED-19026 10307-18-3 Enquire
3,3-Dimethylbutanecarbonyl isocyanate Intermediates CS-ED-27095 1019114-43-2 Enquire
3-[(3-Methylbutane)sulfonyl]aniline Intermediates CS-AC-11629 1375068-98-6 Enquire
4-Hydroxy-3,3-dimethylbutanenitrile Intermediates CS-ED-19768 103804-80-4 Enquire
N'-(2-chloropropanoyl)-3-methylbutanehydrazide Intermediates CS-ED-07163 1311317-45-9 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(αR)-(1S,2S,3R,5S)-Pinanediol-1-amino-3-methylbutane-1-boron... Fine Chemicals CS-T-60588 779357-85-6 Enquire
1,1-dibromo-3-methylbutane Fine Chemicals CS-O-36999 62127-59-7 Enquire
1,2-dibromo-3-methylbutane Fine Chemicals CS-O-36993 10288-13-8 Enquire
1,3-dibromo-3-methylbutane Fine Chemicals CS-O-36991 24443-15-0 Enquire
1,4-dibromo-2-methyl-butane Fine Chemicals CS-O-36995 54462-66-7 Enquire
2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile Fine Chemicals CS-M-42903 20850-49-1 In Stock
2,3-dibromo-2-methylbutane Fine Chemicals CS-O-36990 594-51-4 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"2,3-Dimethylbutane" Pesticide Standards CS-T-91453 79-29-8 Enquire