6-Methyleneandrost-4-ene-3,17-Dione CAS 19457-55-7 Exemestane Intermediate Purity > 99.0% (HPLC) Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm 6-Methyleneandrost-4-ene-3,17-Dione (1,2-Dihydro Exemestane) (CAS: 19457-55-7) nrog cov khoom zoo, nruab nrab Exemestane (CAS: 107868-30-4).Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau 6-Methyleneandrost-4-ene-3,17-Dione,Please contact: alvin@ruifuchem.com
| Tshuaj npe | 6-Methyleneandrost-4-ene-3,17-Dione |
| Synonyms | 1,2-Dihydro Exemestane;6-Methylene-4-Androstene-3,17-Dione |
| impurity | Exemestane EP Impurity E;Exemestane USP Related Compound A |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 20 Tons ib Hlis |
| CAS Nr | Xyoo 19457-55-7 |
| Molecular Formula | C20H26O2 |
| Molecular Luj | 298.43 ib |
| Melting Point | ≥158.0 ℃ |
| Boiling Point | 450.8 ± 45.0 ℃ |
| Qhov ntom | 1.11 ± 0.1g / cm3 |
| Kev sib hloov tshwj xeeb [α]20/D | 390.0 ° txog + 430.0 ° (C = 1, CHCL3) |
| Cia Temp. | Khaws ntawm Chav Kub |
| HS Code | 2937290099 ib |
| COA & MSDS | Muaj |
| Kev faib tawm | Cov tshuaj steroids |
| Hom | Ruifu Tshuaj |
| Cov khoom | Specifications | Cov txiaj ntsig |
| Qhov tshwm sim | Pleev Yellow Crystalline Hmoov | Ua raws |
| Kev txheeb xyuas | A: IR;B: RT (HPLC) | Ua raws |
| Melting Point | ≥158 ℃ | 161 ℃ |
| Yam khoom (HPLC) |
|
|
| Lub Sijhawm Relative Retention = 0.81 | <0.40% | 0.17% |
| Lub Sijhawm Retention Relative = 1.34 | <0.40% | Ua raws |
| Tsis Paub Tus Kheej | <0.10% | 0.03% |
| Tag nrho cov impurities | <1.00% | 0.29% |
| Poob rau ziab | <0.50% | 0.05% |
| Purity / Analysis Method | > 99.0% | 99.71% |
| Infrared Spectrum | Raws li tus qauv | |
| Test Standard | Enterprise Standard | |
| Kev siv tseem ceeb | Intermediate / Impurity ntawm Exemestane (CAS: 107868-30-4) | |
Pob: Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
6-Methyleneandrost-4-ene-3,17-Dione (1,2-Dihydro Exemestane) (CAS: 19457-55-7) yog ib qho nruab nrab / impurity ntawm Exemestane (CAS: 107868-30-4).Exemestane yog ib qho irreversible steroid aromatase inhibitor.Nws cov qauv zoo ib yam li aromatase lub ntuj substrate, androstenedione, thiab ua raws li ib tug pseudosubstrate.Cov poj niam postmenopausal estrogen feem ntau yog hloov los ntawm androgen (tsim los ntawm adrenal cortex) los ntawm aromatase nyob rau hauv cov ntaub so ntswg.Cov tshuaj no irreversibly khi nrog lub active site ntawm aromatase deactivate nws, yog li ua rau txo qis cov tshuaj estrogen nyob rau hauv cov ntshav ncig ntawm cov poj niam postmenopausal.Los ntawm inhibiting aromatase kom txo cov tshuaj estrogen, nws tuaj yeem siv los kho mob qog noj ntshav ntawm lub mis nyob rau hauv cov poj niam postmenopausal.
