Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Testosterone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Testosterone 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 Testosterone-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.
Our Testosterone-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.
Testosterone Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 11-Hydroxytestosterone-[9,11,12,12-D4] | Stable Isotopes | CS-T-103041 | 2687960-99-0 | Enquire |
| 11-Ketotestosterone-[16,16,17-d3] | Stable Isotopes | CS-O-54677 | 2479914-03-7 | Enquire |
| 17b-Methyl epi-Testosterone-d5 | Stable Isotopes | CS-T-103212 | 2607-14-9(Unlabelled) | Enquire |
| 4-Hydroxy Testosterone-d3 | Stable Isotopes | CS-T-102895 | 2141-17-5(Unlabelled) | Enquire |
| 5a-Dihydrotestosterone Tridecanoate-d3 | Stable Isotopes | CS-T-103164 | 488836-66-4(Unlabelled) | Enquire |
| 5a-Dihydrotestosterone-16,16,17-d3 Undecanoate | Stable Isotopes | CS-B-00403 | ---- | Enquire |
| 5α DIHYDROTESTOSTERONE-d3 SOLUTION AMPOLA 100 μG/ML | Stable Isotopes | CS-O-48175 | 79037-34-6 | Enquire |
| 6a-Hydroxy Testosterone-d3 | Stable Isotopes | CS-T-102445 | Not Available | Enquire |
| 6beta-Hydroxy Testosterone-d6 | Stable Isotopes | CS-ED-42241 | Not Available | Enquire |
| 6-Beta-Hydroxytestosterone-d7 | Stable Isotopes | CS-O-13599 | 62-99-7 (Unlabeled) | Enquire |
| 6β-Hydroxytestosterone-d3 | Stable Isotopes | CS-I-00473 | Not Available | Enquire |
| 6β-Hydroxytestosterone-d3 (Solution) | Stable Isotopes | CS-I-00593 | Not Available | Enquire |
| Androstenediol Sulfate---d3 | Stable Isotopes | CS-O-58037 | 73609-45-7 (Freebase) | Enquire |
| Dihydrotestosterone-[13C3] | Stable Isotopes | CS-I-00578 | 1257527-54-0 | Enquire |
| Epitestosterone-1,16,16,17-d4 | Stable Isotopes | CS-B-00396 | Not Available | Enquire |
| Epitestosterone-1,16,16,17-d4 Glucuronide | Stable Isotopes | CS-B-00395 | Not Available | Enquire |
| Testosterone 17-O-Acetate-d3 | Stable Isotopes | CS-T-102459 | 1045-69-8(Unlabelled) | Enquire |
| Testosterone Enanthate-d3 | Stable Isotopes | CS-T-102608 | 315-37-7(Unlabelled) | Enquire |
| Testosterone Sulfate-d3 Triethylamine Salt | Stable Isotopes | CS-T-103213 | ---- | Enquire |
| Testosterone Tridecanoate-d3 | Stable Isotopes | CS-O-58441 | 488836-58-4(Unlabeled) | Enquire |
| Testosterone Undecanoate D3 | Stable Isotopes | CS-T-96076 | 5949-44-0 (Unlabelled) | Enquire |
| Testosterone Undecanoate-d21 | Stable Isotopes | CS-ED-02451 | ---- | In Stock |
| Testosterone-[13C3] | Stable Isotopes | CS-I-00600 | 327048-83-9 | Enquire |
| Testosterone-[16,16,17-d3] Glucuronide | Stable Isotopes | CS-I-00482 | 384380-27-2 | Enquire |
| Testosterone-[16,16,17-d3] Glucuronide (Solution) | Stable Isotopes | CS-I-00601 | 384380-27-2 | Enquire |
| Testosterone-[d3] Cypionate (Solution) | Stable Isotopes | CS-I-00625 | 876054-56-7 | Enquire |
| Testosterone-[d3] Isocaproate (Solution) | Stable Isotopes | CS-I-00628 | 15262-86-9(Unlabeled) | Enquire |
| Testosterone-[d3] Propionate (Solution) | Stable Isotopes | CS-I-00630 | 876054-54-5 | Enquire |
| Testosterone-[d3] Undecanoate (Solution) | Stable Isotopes | CS-I-00631 | Not Available | Enquire |
| Testosterone-[d5] (Solution) | Stable Isotopes | CS-I-00603 | 21002-80-2 | Enquire |
| Testosterone-13C | Stable Isotopes | CS-T-103234 | 58-22-0(Unlabelled) | Enquire |
| Testosterone-2,2,4,6,6-D5 | Stable Isotopes | CS-T-94190 | 21002-80-2 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Androstanolone | API | CS-O-02388 | 521-18-6 | In Stock |
| Testosterone | API | CS-O-02507 | 58-22-0 | In Stock |
| Testosterone cypionate | API | CS-O-30784 | 58-20-8 | In Stock |
| Testosterone Propionate | API | CS-O-30780 | 57-85-2 | In Stock |
| Testosterone Undecanoate | API | CS-O-02525 | 5949-44-0 | In Stock |
| Methandienone | API | CS-O-01908 | 72-63-9 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 5alpha-Androstane-3alpha,17beta-diol | Metabolite | CS-I-00048 | 1852-53-5 | Enquire |
| 6-Beta-hydroxy Testosterone | Metabolite | CS-EK-01066 | 62-99-7 | In Stock |
| Testosterone Benzoate | Metabolite | CS-O-30487 | 2088-71-3 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 11α-hydroxy Testosterone | Impurity | CS-O-44271 | 3066-12-4 | Enquire |
| 17a-Cyanomethyl-19-nortestosterone | Impurity | CS-T-51373 | 67473-36-3 | In Stock |
| 17-alpha-Hydroxyandrosta-4,8-dien-3-one | Impurity | CS-EO-01582 | 2608628-54-0 | Enquire |
| 4-Ketotestosterone | Impurity | CS-O-47723 | Not Available | Enquire |
| 5α-dihydro-11-keto Testosterone | Impurity | CS-T-95890 | 32694-37-4 | Enquire |
| 6-Alpha-Hydroperoxy Testosterone Undecanoate | Impurity | CS-O-44634 | Not Available | Enquire |
| 6-Alpha-hydroxy Testosterone Undecanoate | Impurity | CS-O-44632 | Not Available | Enquire |
| 6-Beta-Hydroperoxy Testosterone Undecanoate | Impurity | CS-O-44635 | Not Available | Enquire |
| 6-Beta-hydroxy Testosterone Undecanoate | Impurity | CS-O-44633 | Not Available | Enquire |
| 6-Dehydro Testosterone Undecanoate | Impurity | CS-O-54553 | 89635-04-01 | Enquire |
| 6-ene Testosterone cypionate | Impurity | CS-O-45032 | Not Available | Enquire |
| 6-Hydroxy Testosterone | Impurity | CS-O-47722 | 34442-08-5 | Enquire |
| 7-Hydroxy Testosterone | Impurity | CS-O-48992 | 1030936-56-1 | Enquire |
| Androstenediol Sulfate | Impurity | CS-O-58036 | 60825-60-7 | Enquire |
| Androstenedione propyl enol ether | Impurity | CS-EO-03225 | 69613-81-6 | Enquire |
| Delta-5,6-Testosterone Cypionate | Impurity | CS-O-53415 | ---- | Enquire |
| DIHYDROTESTOSTERONE AMPOLA 1000 μG/ML | Impurity | CS-O-48170 | 521-18-6 | Enquire |
| Dihydrotestosterone Cypionate | Impurity | CS-O-53416 | ---- | Enquire |
| Dimethandrolone | Impurity | CS-O-49570 | Not Available | Enquire |
| Testosterone 17-Valerate | Impurity | CS-O-39436 | 3129-43-9 | In Stock |
| Testosterone cyclohexylpropionate | Impurity | CS-O-47839 | 2034-94-8 | Enquire |
| Testosterone Cypionate methyl enol ether | Impurity | CS-EO-01146 | Not Available | Enquire |
| Testosterone Decanoate EP Impurity B | Impurity | CS-EO-03083 | 29430-22-6 | Enquire |
| Testosterone Decanoate EP Impurity C | Impurity | CS-EO-03084 | 57525-67-4 | Enquire |
| Testosterone Decanoate EP Impurity G | Impurity | CS-EO-03085 | 219296-37-4 | Enquire |
| Testosterone Decanoate Impurity F | Impurity | CS-T-94252 | 59232-78-9 | In Stock |
| Testosterone Dipropionate | Impurity | CS-B-00389 | 42257-18-1 | Enquire |
| Testosterone enantate benzilic acid hydrazone | Impurity | CS-ED-41730 | 18625-33-7 | Enquire |
| Testosterone Enanthate | Impurity | CS-O-05333 | 315-37-7 | In Stock |
| Testosterone EP Impurity B | Impurity | CS-AB-00081 | 972-46-3 | Enquire |
| Testosterone EP Impurity C | Impurity | CS-T-61663 | 481-30-1 | Enquire |
| Testosterone EP Impurity E | Impurity | CS-O-15309 | 1045-69-8 | In Stock |
| Testosterone furoate | Impurity | CS-ED-41731 | 60895-85-4 | Enquire |
| Testosterone hexahydrobenzoate | Impurity | CS-O-47843 | 14191-92-5 | Enquire |
| Testosterone hexahydrobenzylcarbonate | Impurity | CS-O-47844 | 2697-92-9 | Enquire |
| Testosterone hexyloxyphenylpropionate | Impurity | CS-ED-41732 | 4838-37-3 | Enquire |
| Testosterone Impurity K | Impurity | CS-O-34689 | ---- | In Stock |
| Testosterone Isocaproate | Impurity | CS-O-02418 | 15262-86-9 | In Stock |
| Testosterone Isocaproate EP Impurity G | Impurity | CS-EO-03082 | Not Available | Enquire |
| Testosterone ketolaurate | Impurity | CS-ED-41733 | 5874-98-6 | Enquire |
| Testosterone nicotinate | Impurity | CS-ED-41734 | 668-56-4 | Enquire |
| Testosterone Phenyl propionate | Impurity | CS-O-02417 | 1255-49-8 | In Stock |
| TESTOSTERONE PHENYLACETATE | Impurity | CS-ED-41735 | 5704-03-0 | Enquire |
| Testosterone phosphate | Impurity | CS-O-47846 | 1242-14-4 | Enquire |
| Testosterone Propyl Enol Ether | Impurity | CS-EO-03226 | 102945-93-7 | Enquire |
| Testosterone sulfate | Impurity | CS-ED-01770 | 651-45-6 | Enquire |
| 17-epi-Testosterone Enanthate | Impurity | CS-T-61611 | 219296-36-3 | Enquire |
| 17-Methyl-5α-androst-1-ene-3α,17β-diol | Impurity | CS-O-41403 | 1173998-65-6 | Enquire |
| 21-Chlorotestosterone Cypionate | Impurity | CS-EO-00052 | Not Available | Enquire |
| 2α-Hydroxy Testosterone | Impurity | CS-T-93452 | 4075-14-3 | Enquire |
| 5-ANDROSTEN-17-Β-OL-3-ONE | Impurity | CS-V-00020 | 571-25-5 | Enquire |
| 5-ANDROSTEN-3, 17-DIONE | Impurity | CS-V-00021 | 571-36-8 | Enquire |
| 6-Oxotestosterone | Impurity | CS-AB-00071 | 570-94-5 | Enquire |
| 6β-Hydroxy-androst-4-ene-3,17-dione | Impurity | CS-EO-01733 | 63-00-3 | Enquire |
| 9-Hydroxy-4-androstene-3,17-dione | Impurity | CS-P-00627 | 560-62-3 | Enquire |
| Aldol Condensation Dimer of Testosterone | Impurity | CS-EO-02017 | Not Available | Enquire |
| Dehydration Dimer of Testosterone | Impurity | CS-EO-02016 | Not Available | Enquire |
| Desoxymethyl Testosterone | Impurity | CS-V-00005 | 3275-64-7 | Enquire |
| Dihydrotestosterone Tridecanoate | Impurity | CS-T-53246 | 488836-66-4 | Enquire |
| Exemestane Related Compound C | Impurity | CS-O-15281 | 897-06-3 | Enquire |
| Testosterone caproate | Impurity | CS-O-43769 | 10312-45-5 | Enquire |
| Testosterone Enantate EP Impurity H | Impurity | CS-EO-00505 | 162890-98-4 | Enquire |
| Testosterone EP Impurity D | Impurity | CS-Q-00323 | 1156-92-9 | Enquire |
| Testosterone EP Impurity I | Impurity | CS-O-15311 | 2484-30-2 | Enquire |
| Testosterone EP Impurity J | Impurity | CS-O-15310 | 57144-06-6 | Enquire |
| Testosterone Impurity 1 | Impurity | CS-EO-02018 | Not Available | Enquire |
| Testosterone Isocaproate - Impurity D | Impurity | CS-O-39463 | 1169-49-9 | Enquire |
| Δ6-Testosterone Enanthate | Impurity | CS-K-00250 | Not Available | Enquire |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Dihydrotestosterone glucuronide | Glucuronide | CS-O-58355 | 42037-24-1 | Enquire |
| Testosterone Beta-D-Glucuronide Monosodium | Glucuronide | CS-TB-79257 | 4145-59-9 | Enquire |
| Epitestosterone Glucuronide | Glucuronide | CS-T-53961 | 16996-33-1 | Enquire |
| Testosterone Glucuronide | Glucuronide | CS-I-00108 | 1180-25-2 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6α-Hydroxyandrostenedione | Fine Chemicals | CS-T-93332 | 24704-84-5 | Enquire |
| Testosterone undecylenate | Fine Chemicals | CS-O-36186 | 29430-26-0 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2β-Hydroxy Testosterone | Building Blocks | CS-TB-70988 | 10390-14-4 | Enquire |
Pesticide Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Epiandrosterone | Pesticide Standards | CS-O-00206 | 481-29-8 | In Stock |
Steroids
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 11β-Methyl-19-nortestosterone | Steroids | CS-O-49568 | 18046-77-0 | Enquire |
| 17a-methyl-4-hydroxynandrolone | Steroids | CS-O-48238 | 2747-16-2 | Enquire |
| 17a-methyl-5a-androstan-17b-ol | Steroids | CS-O-48240 | 1229-04-5 | Enquire |
| 17a-methyl-androst-2-ene-3,17b-diol | Steroids | CS-O-48242 | 1173998-16-7 | Enquire |
| 17a-methyl-androsta-1,4-diene-3,17b-diol | Steroids | CS-O-48243 | 1978330-60-7 | Enquire |