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| Country: | United States |
|---|---|
| Tel: | +86-0714-3992388 |
| Mobile: | +86-15391658522 |
| E-mail: | overseasales@yongstandards.com |
| QQ: | 2853117752 |
| Skype: | Chat Now! |
| Address: | No.176,Hangzhou West Road, Xialu Area, Huangshi |
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China National Standard Pharmaceutical Corporation Limited is a strict standard company. Its main members are former senior employees from EDQM and The United States Pharmacopeial Convention. Standardpharm Co., Ltd. work together with Standardpharm CHN Co., Ltd. to serve scientists in the field of generic pharmaceuticals and innovative pharmaceuticals worldwide.
Standardpharm Co., Ltd. is a professional company specializing in the custom synthesis of pharmaceutical reference standards for biomedical and pharmaceutical research. We supply reference standards worldwide to clients base that includes major biotechnology corporations, pharmaceutical and diagnostic companies, clinical and bio-analytical CROs, manufacturers of specialty chemicals, as well as hospital researchers, universities and various other research institutions, including EDQM, USP, BP, JP, CHP, and Pfizer, TEVA, etc.
Standardpharm has over 600,000 products in 10 application area, including: Pharmaceutical Impurities, Pesticide and Veterinary Pharmaceutical Residues, Isotopes, Essence and Pigment, Criminal Justice Medicine, Natural pharmaceutical Extraction, Cosmetic, Environmental Protection, Food safety, Industrial Auxiliary Materials. Certificate of Analysis (COA) will be provided for all these products which characterized using HPLC/GC, MS, HNMR, synthetic route, spectrum analysis and other testing (CNMR, FNMR, COSY, NOESY, DEPT, HMBC, HMQC, HSQC, IR, UV, QNMR, TGA, elemental analysis, etc. ) as requested spectra by our clients. And STD Promises to return or exchange the goods to solve the problem as quickly as possible if any quality problem is found within the contractual period. STD has inventory in both China and the United States to ensure the fastest delivery for customers.
Welcome to consult us by email in any time.
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| Product Name | MF | CAS | Details |
|---|
| Kitasamycin (Leucomycin A5) Impurity 1 | C39H65NO14 | 18361-45-0 | Details |
| Levocarnitine Impurity 4 Chloride (Levocarnitine EP Impurity D Chloride) | Details |
| Lactic Acid Impurity 7 | C6H10O5 | 97-73-4 | Details |
| Levetiracetam Impurity 14 | C5H12ClNO2 | 56545-22-3 | Details |
| Ketotifen Impurity 6(Ketotifen EP Impurity F） | C19H19NOS | 34580-09-1 | Details |
| Ketorolac Impurity 9（Ketorolac EP Impurity G） | C16H15NO4 | 1391051-90-3 | Details |
| Lactic Acid Impurity 9 | C15H30O3 | 27194-74-7 | Details |
| Levocarnitine Impurity 41 | C7H13NO3 | 10457-99-5 | Details |
| Levocarnitine Impurity 1（Levocarnitine EP Impurity A） | C7H13ClNO2 | 6538-82-5 | Details |
| Levocarnitine Impurity 37 | C6H10O3 | 112083-64-4 | Details |
| Lactulose Impurity 8 | C5H10O4 | 192992-54-4 | Details |
| Lactic Acid Impurity 10 | C6H10O5 | 617-57-2 | Details |
| Levocarnitine Impurity 16 | C9H18ClNO3 | 10485-23-1 | Details |
| Levetiracetam Impurity 44 ((R)-Levetiracetam EP Impurity A) | C8H13NO3 | 103833-72-3 | Details |
| Levocarnitine Impurity 21 | C7H13NO2 | 1440950-65-1 | Details |
| Levetiracetam Impurity 48 | C3H4O2S | 3326-89-4 | Details |
| Kitasamycin Impurity 2 | C37H61NO14 | 31642-61-2 | Details |
| Levetiracetam Impurity 46 | C9H14ClNO3 | 96163-73-4 | Details |
| Levetiracetam Impurity 2（Levetiracetam EP Impurity B） | C8H12N2O2 | 358629-47-7 | Details |
| Levalbuterol Impurity 2 (Levalbuterol Related Compound B) | C13H21NO2 | 18910-68-4 | Details |
| Levetiracetam Impurity 25 | C9H17NO4 | 1543300-90-8 | Details |
| Levetiracetam Impurity 30 | C4H5Cl3O | 79194-54-0 | Details |
| Ketotifen Impurity 10 HCl (Norketotifen HCl) | C18H18ClNOS | 1227458-03-8 | Details |
| Ketotifen Impurity 9 | C14H10O2S | 59743-84-9 | Details |
| Levocarnitine Impurity 26 | C6H16ClNO2 | 34004-36-9 | Details |
| Levetiracetam Impurity 9 | C8H15ClN2O2 | 102767-31-7 | Details |
| Ketotifen Impurity 3(Ketotifen EP Impurity C） | C19H21NO2S | 126939-27-3 | Details |
| Levetiracetam Impurity 22 | C8H17N3O2 | 1341459-52-6 | Details |
| Levocarnitine Impurity 27 | C4H8ClNO2 | 51499-71-9 | Details |
| Levocarnitine Impurity 31 | C4H8ClNO2 | 175158-38-0 | Details |
| Lecithin Impurity 3 | C26H54NO7P | 19420-57-6 | Details |
| Lecithin Impurity 7 | C44H88NO8P | 816-94-4 | Details |
| Levocarnitine Impurity 24 | C5H10N2O3 | 16072-48-3 | Details |
| Levalbuterol Impurity 8 Hydrochloride (Levalbuterol Related Compound H Hydrochloride) | 2468639-65-6 | Details |
| Levetiracetam Impurity 37 | C4H8N2 | 40651-89-6 | Details |
| Levalbuterol Impurity 7 (Levalbuterol Related Compound F) | C20H27NO3 | 174607-68-2 | Details |
| Levetiracetam Impurity 24 | C10H19NO4 | 1342229-32-6 | Details |
| Levocarnitine Impurity 3(Levocarnitine EP Impurity C) | C7H17ClN2O2 | 6490-20-6 | Details |
| Levetiracetam Impurity 23 | C8H15NO4 | 1543353-92-9 | Details |
| Lactulose Impurity 11 | C6H12O6 | 470-23-5 | Details |
| Ketotifen Impurity 5(Ketotifen EP Impurity E） | C19H19NOS | 1346603-71-1 | Details |
| Lecithin Impurity 11 (lysolecithin) | NULL | 9008-30-4 | Details |
| Levetiracetam Impurity 1 | C8H13NO3 | 102849-49-0 | Details |
| Lauryl Sulfate Impurity 8 (Pentachlorophenyl Laurate) | C18H23Cl5O2 | 3772-94-9 | Details |
| Levetiracetam Impurity 54 | C8H13NO | 1699727-68-8 | Details |
| Levetiracetam Impurity 13 | C4H9NO2 | 1492-24-6 | Details |
| Levetiracetam Impurity 8（Levetiracetam EP Impurity A） | C8H13NO3 | 67118-31-4 | Details |
| Levocarnitine Impurity 38 | C6H12O4 | 112635-76-4 | Details |
| Kynurenic Acid Impurity 6 | C10H6ClNO3 | 860205-48-7 | Details |
| Levocarnitine Impurity 14（Levocarnitine EP Impurity B） | C10H16O4 | 5394-83-2 | Details |
| Levetiracetam Impurity 21 | C8H16N2O3 | 1342566-28-2 | Details |
| Levetiracetam Impurity 31 | C8H12Cl2O3 | 20496-01-9 | Details |
| Levocarnitine Impurity 17 | C5H11NO3 | 98137-59-8 | Details |
| Lactulose Impurity 6 | C5H10O4 | 136272-61-2 | Details |
| Lactic Acid Impurity 11 | C4H10O2 | 513-85-9 | Details |
| Ketotifen Impurity 2(Ketotifen EP Impurity B） | C20H23NO2S | 59743-88-3 | Details |
| Lecithin Impurity 2 | C5H5ClN2 | 93685-90-6 | Details |
| Levocarnitine Impurity 44 | C7H14ClNO2 | 835638-57-8 | Details |
| Levocarnitine Impurity 19 | C6H13NO3 | 2921-13-3 | Details |
| Lactic Acid Impurity 12 | C3H4Cl2O | 7623-09-8 | Details |
| Levocarnitine Impurity 32 | C6H8Cl2O3 | 6082-74-2 | Details |
| Levocarnitine Impurity 2 | C10H16O4 | 124-83-4 | Details |
| Levetiracetam Impurity 34 | C10H12O5 | 263552-76-7 | Details |
| Levocarnitine Impurity 30 | C4H8ClNO2 | 226213-72-5 | Details |
| Levocarnitine Impurity 29 | C4H5ClO2 | 40529-03-1 | Details |
| Levocarnitine Impurity 40(Mixture of Isomers) | C9H18ClNO2 | 93504-75-7 | Details |
| Kojic Impurity 9 | C6H4O5 | 499-78-5 | Details |
| Levocarnitine Impurity 39 | C8H18ClNO3 | 61809-71-0 | Details |
| Levocarnitine Impurity 15 | C6H15Cl2NO | 101396-91-2 | Details |
| Lecithin Impurity 15 | C26H50NO7P | 22252-07-9 | Details |
| Levamisole Impurity 4（Levamisole EP Impurity D） | C11H10N2S | 4335-28-8 | Details |
| Levetiracetam Impurity 65 | C4H6O3 | 7331-52-4 | Details |
| Lactulose Impurity 5（Lactulose EP Impurity E） | C6H12O6 | 41847-61-4 | Details |
| Levocarnitine Impurity 25 | C6H17N2O+ | 412352-00-2 | Details |
| Levetiracetam Impurity 12 Hydrochloride (Levetiracetam EP Impurity G Hydrochloride) | C4H11ClN2O | 7682-20-4 | Details |
| Levetiracetam Impurity 61 | C8H14Cl2N2O2 | 2259329-89-8 | Details |
| Ketotifen Impurity 1 Fumarate (Ketotifen EP Impurity A Fumarate） | Details |
| Levalbuterol Impurity 8 (Levalbuterol Related Compound H) | C14H23NO3 | 870076-72-5 | Details |
| Ketorolac Impurity 8（Ketorolac EP Impurity F） | C15H13NO3 | 1391052-68-8 | Details |
| Levetiracetam Impurity 6 | C8H16N2O3 | 1868118-63-1 | Details |
| Levalbuterol Impurity 4 (Levalbuterol Related Compound D) | C13H21NO7S | 2624100-96-3 | Details |
| Levocarnitine Impurity 28 | C4H6ClNO | 89123-94-4 | Details |
| Lecithin Impurity 4 | C42H84NO8P | 92128-87-5 | Details |
| Levetiracetam Impurity 17 | C6H11ClO2 | 3153-36-4 | Details |
| Levetiracetam Impurity 3（Levetiracetam EP Impurity C） | C5H5NO | 142-08-5 | Details |
| Levetiracetam Impurity 5（Levetiracetam Racemate） | C8H14N2O2 | 33996-58-6 | Details |
| Ketotifen Impurity 7(Ketotifen EP Impurity G） | C19H17NO2S | 43076-16-0 | Details |
| Lactulose Impurity 12 | C6H12O6 | 10489-79-9 | Details |
| Lactic Acid Impurity 39 | C6H12O5 | 51951-04-3 | Details |
| Levocarnitine Impurity 20 | C7H14ClNO2 | 144205-67-4 | Details |
| Levocarnitine Impurity 42 | C4H7ClO3 | 26329-66-8 | Details |
| Levalbuterol Impurity 9 | C14H23NO3 | 18910-69-5 | Details |
| Lactulose Impurity 3（Lactulose EP Impurity C） | C12H22O11 | 63-42-3 | Details |
| Lecithin Impurity 19 | C42H84NO8P | 59403-51-9 | Details |
| Levocarnitine Impurity 22 | C7H18ClN2O2+ | 5261-99-4 | Details |
| Lecithin Impurity 20 | C30H60NO7P | 503271-85-0 | Details |
| Lactose Impurity 6 (epi-Lactose) | C12H22O11 | 20869-27-6 | Details |
| Levocarnitine Impurity 18 | C6H13NO3 | 542-06-3 | Details |
| Lactic Acid Impurity 6 (Mw55000-90000) | C5H10O2 | 26161-42-2 | Details |
| Levetiracetam Impurity 15 | C4H11ClN2O | 103765-03-3 | Details |
| Product Total： Product Page： | ||||
| 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | ||||