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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Camphor, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Camphor 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 Camphor-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.

Camphor Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-Camphor-d6 Stable Isotopes CS-T-101735 Not Available Enquire
(±)-Juniper Camphor-D6 Stable Isotopes CS-T-97372 75363-78-9(Unlabelled) Enquire
(R)-(+)-Camphor-d2 Stable Isotopes CS-T-94550 34733-73-8 Enquire
4-Methylbenzylidene Camphor-d4 Stable Isotopes CS-T-101133 1219806-41-3 Enquire
Isopropyl (1R)-(+)-10-Camphorsulfate-d7 Stable Isotopes CS-T-99193 Not Available Enquire
Norcamphor-d2 Stable Isotopes CS-T-103490 18153-61-2 Enquire
Norcamphor-d4 Stable Isotopes CS-T-103489 497-38-1(unlabelled) Enquire
rac Isopropyl (±)-10-camphorsulfate-d7 Stable Isotopes CS-T-99192 Not Available Enquire
trans-Clopenthixol-d4 (-)-10-Camphorsulfonic Acid Salt Stable Isotopes CS-T-99324 Not Available Enquire
Voriconazole (1R)-(-)-10-camphorsulfonate-D3 Stable Isotopes CS-T-102378 Not Available Enquire
Zuclopenthixol-d4 (-)-10-Camphorsulfonic Acid Salt Stable Isotopes CS-T-99045 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R)-(+)-2,10-Camphorsultam API CS-T-68766 108448-77-7 Enquire
(1S)-Camphorsultam API CS-T-50228 94594-90-8 Enquire
Cedar camphor API CS-E-00153 77-53-2 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(-)-Camphorsulfonic Acid Methyl Ester Impurity CS-O-45431 83603-04-7 Enquire
(±)-Camphor Impurity CS-T-10091 76-22-2 In Stock
(1R,3S)-Camphoric Acid Impurity CS-T-10093 124-83-4 In Stock
(R)-(+)-Camphor Impurity CS-T-10090 464-49-3 Enquire
4-Methylbenzylidene Camphor Impurity CS-T-33268 36861-47-9 In Stock
Benzylidene Camphor Sulfonic Acid Impurity CS-ED-42348 56039-58-8 Enquire
Clopidogrel Camphorsulfonate Impurity CS-ED-01224 120202-68-8 In Stock
D-(+)-α-Bromocamphor-8-sulfonic Acid Ammonium Salt Impurity CS-T-08020 14575-84-9 In Stock
(-)-Trimethaphan Camphorsulfonate Impurity CS-T-87588 99297-10-6 Enquire
(+)-(2S,5R)-1-Allyl-2,5-dimethylpiperazine, (+)-Camphoric Ac... Impurity CS-T-47562 186094-00-8 Enquire
(+)-[(8,8-Dichlorocamphoryl)sulfonyl]oxaziridine Impurity CS-T-52575 127184-05-8 Enquire
(+)-3-Bromo-8-camphorsulfonic Acid Impurity CS-T-49528 5344-58-1 Enquire
(+)-Trimethaphan Camphorsulfonate Impurity CS-T-87813 87335-42-0 Enquire
(+/-)-NORCAMPHOR Impurity CS-DV-00021 497-38-1 Enquire
(1R)-(-)-10-Camphorsulfonamide Impurity CS-T-10099 72597-34-3 Enquire
(1R)-(-)-10-Camphorsulfonyl Chloride Impurity CS-T-10101 39262-22-1 Enquire
(1R)-3-endo-Aminocamphor Hydrochloride Impurity CS-T-02147 31638-54-7 Enquire
(1S)-(-)-(7,7-Dichloro-10-camphorsulfonyl)imine Impurity CS-T-52574 127184-04-7 Enquire
(1S)-(+)-10-Camphorsulfonamide Impurity CS-T-10100 60933-63-3 Enquire
(1S)-(+)-10-Camphorsulfonic Acid Ethyl Ester Impurity CS-T-68845 154335-57-6 Enquire
(1S)-(+)-10-Camphorsulfonyl Chloride Impurity CS-T-10102 21286-54-4 Enquire
(1S,3R)-Camphoric Acid Impurity CS-T-70525 560-09-8 Enquire
(3R,11bR)-Tetrabenazine (1S)-(+)-10-Camphorsulfonate Impurity CS-T-86421 1223399-57-2 Enquire
Isopropyl (1S)-(+)-10-Camphorsulfate Impurity CS-T-56850 247078-58-6 Enquire
Methyl (1S)-(+)-10-Camphorsulfonate Impurity CS-T-58066 62319-13-5 Enquire
Omeprazole-N-(S)-camphorsulfonamide Impurity CS-T-83321 869087-33-2 Enquire
Sodium (+)-10-Camphorsulfonate Impurity CS-AC-11715 21791-94-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+)-3-Bromocamphor Intermediate CS-ED-21580 10293-06-8 In Stock
(1S)-(+)-(10-Camphorsulfonyl)oxaziridine Intermediate CS-T-50226 104322-63-6 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(-)-Camphor-10-sulfonic acid Fine Chemicals CS-O-08450 35963-20-3 In Stock
(1S)-(+)-10-Camphorsulfonic Acid Fine Chemicals CS-T-10098 3144-16-9 In Stock
Methyl Camphorsulphonate Fine Chemicals CS-O-59987 46471-67-4 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Camphor Impurity B, Camphene Secondary Standards CS-SS-25260-1GM 79-92-5 Enquire
D-Camphor Secondary Standards CS-SS-24163-1GM 464-49-3 Enquire
D-Camphor Impurity A, a-pinene Secondary Standards CS-SS-25261-100MG 80-56-8 Enquire
D-Camphor Impurity D Secondary Standards CS-SS-25259-100MG 7787-20-4 Enquire
D-Camphor Impurity F, Fenchol Secondary Standards CS-SS-25264-100MG 2217-02-09 Enquire
D-Camphor Impurity I Secondary Standards CS-SS-25265-100MG 124-76-5 Enquire
D-Camphor Impurity J, endo-borneol Secondary Standards CS-SS-25263-100MG 464-45-9 Enquire
Methyl Benzylidene Camphor Secondary Standards CS-SS-25558-400MG 36861-47-9 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+)-Juniper Camphor Building Blocks CS-O-48717 473-04-1 Enquire
3-Benzylidenecamphor Building Blocks CS-T-95921 15087-24-8 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Alpha camphorene Pesticide Standards CS-ED-00687 532-87-6 Enquire
Epicamphor Pesticide Standards CS-O-44838 10292-98-5 Enquire


Pharmaceutical Stds.

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Isopropyl (1R)-(+)-10-Camphorsulfate Pharmaceutical Stds. CS-TB-76334 1242184-40-2 Enquire