Olaparib
Tier A — Act nowOlaparib · all drugs expiring in 2028 →
Targets:PARP-2, PARP-3, PARP1
Brand:Lynparza
Indications (approved):Endometrial cancer, Castration-resistant prostate cancer, Prostate cancer, Peritoneal cancer, Epithelial ovarian cancer, Fallopian tube cancer, Pancreatic cancer, Ovarian cancer
Regional status
Synthetic routes & intermediates2 routes
Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.

| Code | CAS No. | Intermediate |
|---|---|---|
| OLAP-001 | 16859-59-9Available | 3-hydroxyisobenzofuran-1(3H)-one |
| OLAP-002 | 868-85-9Available | dimethyl phosphonate |
| OLAP-003 | 61260-15-9Available | dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate |
| OLAP-004 | 218301-22-5Available | 2-fluoro-5-formylbenzonitrile |
| OLAP-005 | 763114-25-6Available | (Z)-2-fluoro-5-((3-oxoisobenzofuran-1(3H)-ylidene)methyl)benzonitrile |
| OLAP-006 | 763114-26-7Available | 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid |
| OLAP-007 | 57260-71-6Available | tert-butyl piperazine-1-carboxylate |
| OLAP-008 | 763114-04-1Available | tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoyl)piperazine-1-carboxylate |
| OLAP-009 | 763111-47-3Available | 4-(4-fluoro-3-(piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one |
| OLAP-010 | 4023-34-1Available | cyclopropanecarbonyl chloride |

| Code | CAS No. | Intermediate |
|---|---|---|
| OLAP-001 | 16859-59-9Available | 3-hydroxyisobenzofuran-1(3H)-one |
| OLAP-004 | 218301-22-5Available | 2-fluoro-5-formylbenzonitrile |
| OLAP-005 | 763114-25-6Available | (Z)-2-fluoro-5-((3-oxoisobenzofuran-1(3H)-ylidene)methyl)benzonitrile |
| OLAP-006 | 763114-26-7Available | 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid |
| OLAP-010 | 4023-34-1Available | cyclopropanecarbonyl chloride |
| OLAP-011 | 1021298-68-9Available | 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile |
| OLAP-012 | 1021298-67-8Available | cyclopropyl(piperazin-1-yl)methanone hydrochloride |
| OLAP-013 | 110-85-0Available | piperazine |
Frequently asked questions
What are the approved indications of Olaparib?
Approved indications include: Endometrial cancer, Castration-resistant prostate cancer, Prostate cancer, Peritoneal cancer, Epithelial ovarian cancer, Fallopian tube cancer, Pancreatic cancer, Ovarian cancer.
When does the Olaparib patent expire?
Based on public sources, the Olaparib patent expires in 2028.
How many synthesis routes are recorded for Olaparib?
2 synthesis routes are recorded; the shortest is 6 steps with 1.27 kg total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Olaparib intermediates?
13 intermediate CAS of Olaparib are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.
How do I get a quote for Olaparib intermediates?
Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.
Source: cross-verified data (structured fields only) · 2026-09-29