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

Methrin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
cis-Permethrin-13C6 Stable Isotopes CS-T-103756 61949-76-6(unlabelled) Enquire
Deltamethrin D5 Stable Isotopes CS-O-13201 1217633-23-2 Enquire
Deltamethrin D6 Stable Isotopes CS-O-39833 2483831-10-1 Enquire
Permethrin-d5 Stable Isotopes CS-O-15635 1794760-19-2 Enquire
Permethrin-d9 (3-phenoxy-d5-benzyl-2,4,5,6-d4) (cis/trans mi... Stable Isotopes CS-C-01399 52645-53-1(unlabelled) Enquire
Resmethrin-d5 Stable Isotopes CS-T-96188 Not Available Enquire
Tralomethrin-d5 Stable Isotopes CS-T-103168 66841-25-6(Unlabelled) Enquire
Trans-Cypermethrin D6 Stable Isotopes CS-EJ-0005 82523-65-7 Enquire
Trans-Cypermethrin D6 Stable Isotopes CS-EJ-00005 82523-65-7 Enquire
Trans-permethrin D6 Stable Isotopes CS-EJ-0019 82523-59-9 Enquire
α-Cypermethrin-d5 1'-Epimeric Mixture Stable Isotopes CS-T-96252 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bacimethrin API Standards CS-O-51151 3690-12-8 Enquire
Flumethrin API Standards CS-T-23759 69770-45-2 Enquire
θ-Cypermethrin API Standards CS-T-73871 71697-59-1 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
trans-Permethrinic Acid Metabolites CS-T-39120 59042-50-1 In Stock
β-Cypermethrin Metabolites CS-T-51541 1224510-29-5 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(1R,2S,1’R)-Cypermethrin" Impurities CS-T-73685 66841-24-5 Enquire
"(1S,2S,1’R)-Cypermethrin" Impurities CS-T-73836 72204-44-5 Enquire
"1R,3R,aR-Deltamethrin" Impurities CS-T-51830 55700-99-7 Enquire
"1S,3R,aR-Deltamethrin" Impurities CS-T-51835 106454-65-3 Enquire
(-)-cis-Permethrinic acid Impurities CS-O-52142 55701-08-1 Enquire
(+)-cis-Permethrinic Acid Impurities CS-T-84151 55667-40-8 Enquire
(1R,2R,1’R)-Cypermethrin Impurities CS-T-73516 65731-83-1 Enquire
(1R,2S,1’S)-Cypermethrin Impurities CS-T-73674 65732-07-2 Enquire
(1R-cis)-Decamethrinic Acid Impurities CS-T-14573 53179-78-5 Enquire
(1S,2R,1’R)-Cypermethrin Impurities CS-T-73918 83860-32-6 Enquire
(1S,2S,1’S)-Cypermethrin Impurities CS-T-73663 72204-43-4 Enquire
(1S,aS)-trans-Cypermethrin Impurities CS-T-74056 83860-31-5 Enquire
(1S-trans)-Decamethrinic Acid Impurities CS-T-14574 74560-76-2 Enquire
1S,3R,aS-Deltamethrin Impurities CS-T-51832 64364-03-0 Enquire
1S,3S,aR-Deltamethrin Impurities CS-T-51833 64364-01-8 Enquire
1S,3S,aS-Deltamethrin Impurities CS-T-51834 64364-02-9 Enquire
Bioresmethrin Impurities CS-P-00734 28434-01-7 Enquire
Cypermethrin Impurity 6 Impurities CS-P-08448 71698-60-7 Enquire
Deltamethrin Related Compound 2 (Bacisthemic Acid Chloride) Impurities CS-P-00926 55710-82-2 Enquire
Deltamethrin Related Compound 4 Impurities CS-P-00927 61826-76-4 Enquire
Permethrin EP Impurity G Impurities CS-EO-00672 85576-82-5 Enquire
Permethrin Impurity 20 Impurities CS-EO-02931 Not Available Enquire
Permethrinic Acid Methyl Ester Impurities CS-T-84095 61898-95-1 In Stock
p-Hydroxy Permethrin Impurities CS-O-46668 67328-58-9 Enquire
trans-Deltamethrin Impurities CS-T-51810 64363-96-8 In Stock
α-Cypermethrin 1-Epimeric Mixture Impurities CS-T-73113 211504-93-7 Enquire
θ-Cypermethrin 1-Epimeric Mixture Impurities CS-T-73900 211504-94-8 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1S-cis-Decamethrinic Acid Intermediates CS-T-51670 72691-18-0 Enquire
Acetylenic Cypermethrin Intermediates CS-O-15632 65133-02-0 Enquire
para-Cypermethrin Intermediates CS-T-14222 61732-64-7 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tetramethrine Fine Chemicals CS-O-33191 7696-12-0 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(1R,2R,1’S)-Cypermethrin" Pesticide Standards CS-T-73511 65731-84-2 Enquire
1R-trans-Permethrinic Acid Pesticide Standards CS-T-84723 55701-03-6 Enquire
a-Cypermethrin (Racemic Mixture) Pesticide Standards CS-T-51513 67375-30-8 In Stock
cis-Permethrin Pesticide Standards CS-O-15637 61949-76-6 Enquire
Cypermethrin (mixture of isomers) Pesticide Standards CS-O-01212 52315-07-8 In Stock
Deltamethrin Pesticide Standards CS-O-30901 52918-63-5 In Stock
Permethrin (cis/trans mixture) Pesticide Standards CS-O-10185 52645-53-1 In Stock
Permethrin Impurity F Pesticide Standards CS-T-94067 55701-05-8 Enquire
rac-cis-Permethrinic Acid Pesticide Standards CS-T-39119 59042-49-8 Enquire
Resmethrin Pesticide Standards CS-T-41598 10453-86-8 Enquire
Tetramethrin Pesticide Standards CS-BX-00985 7696-12-0 Enquire
Tralomethrin Pesticide Standards CS-T-44722 66841-25-6 Enquire
trans-Permethrin Pesticide Standards CS-O-15636 61949-77-7 Enquire
zeta-Cypermethrin Pesticide Standards CS-T-73119 1315501-18-8 Enquire