Model NO.: Royal pharm
Trademark: ROYAL PHARM
Transport Package: as Customers Requirement
Specification: 99%
Origin: China
HS Code: 2941909000
Model NO.: Royal pharm
Trademark: ROYAL PHARM
Transport Package: as Customers Requirement
Specification: 99%
Origin: China
HS Code: 2941909000
Ledipasvir
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Our factory capacity: 5kg/month
Product name: Ledipasvir
CAS: 1256388-51-8
Other name:Â GS 588
Application:
 Ledipasvir (formerly GS-5885) is a drug for the treatment of hepatitis C, it is an inhibitor of the hepatitis C virus NS5A protein. The ledipasvir/sofosbuvir combination is a direct-acting antiviral agent that interferes with HCV replication and can be used to treat patients with genotypes 1a or 1b without PEG-interferon or ribavirin.
Package: 1kg/aluminum bag
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 The following intermediates are available:
1256387-87-7 ,1441673-92-2, 74761-42-5, 1441670-89-8 , 1499193-60-6
  P.S. The products above are only for R&D purposes.Â
Specification Sheet (COA):
| Items |
Specifications |
Test Results |
Method |
| Appearance |
Off-white to light brown powder |
Light yellow powder |
Visual |
| Identification |
The retention time correspond to reference standard |
Conform |
HPLC |
| The IR spectrum correspond to reference standard |
Conform |
IR |
| Specific rotation |
-180.0°~-160.0° |
-169.5° |
USP<781> |
| Loss on drying |
NMT 0.5% |
0.12% |
USP<731> |
| Residue on ignition |
NMT 0.2% |
0.07% |
USP<281> |
| Heavy metal |
NMT 20ppm |
Conform |
USP<231> |
| Related substance |
Maximum individual impurity
: NMT 0.1% |
0.07% |
HPLC |
| Total impurities: NMT 1.0% |
0.30% |
HPLC |
| Purity |
NLT 99.5% |
99.7% |
HPLC |
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Ledipasvir
Â
Our factory capacity: 5kg/month
Product name: Ledipasvir
CAS: 1256388-51-8
Other name:Â GS 588
Application:
 Ledipasvir (formerly GS-5885) is a drug for the treatment of hepatitis C, it is an inhibitor of the hepatitis C virus NS5A protein. The ledipasvir/sofosbuvir combination is a direct-acting antiviral agent that interferes with HCV replication and can be used to treat patients with genotypes 1a or 1b without PEG-interferon or ribavirin.
Package: 1kg/aluminum bag
Â
 The following intermediates are available:
1256387-87-7 ,1441673-92-2, 74761-42-5, 1441670-89-8 , 1499193-60-6
  P.S. The products above are only for R&D purposes.Â
Specification Sheet (COA):
| Items |
Specifications |
Test Results |
Method |
| Appearance |
Off-white to light brown powder |
Light yellow powder |
Visual |
| Identification |
The retention time correspond to reference standard |
Conform |
HPLC |
| The IR spectrum correspond to reference standard |
Conform |
IR |
| Specific rotation |
-180.0°~-160.0° |
-169.5° |
USP<781> |
| Loss on drying |
NMT 0.5% |
0.12% |
USP<731> |
| Residue on ignition |
NMT 0.2% |
0.07% |
USP<281> |
| Heavy metal |
NMT 20ppm |
Conform |
USP<231> |
| Related substance |
Maximum individual impurity
: NMT 0.1% |
0.07% |
HPLC |
| Total impurities: NMT 1.0% |
0.30% |
HPLC |
| Purity |
NLT 99.5% |
99.7% |
HPLC |
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