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

Phenylephrine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Phenylephrine 3-O-Sulfate-d3 Stable Isotopes CS-T-98887 Not Available Enquire
(R)-Phenylephrine-d3 Glucuronide Stable Isotopes CS-T-98414 Not Available Enquire
(R)-Phenylephrine-d3 Hydrochloride Stable Isotopes CS-T-94989 1217858-50-8 Enquire
(R/S)-Phenylephrine-d3 Glucuronide Stable Isotopes CS-B-00365 Not Available Enquire
(S)-Phenylephrine-d3 Hydrochloride Stable Isotopes CS-T-97217 Not Available Enquire
L-Phenylephrine-d5 Stable Isotopes CS-T-103759 1089674-35-0 Enquire
N-Nitroso Phenylephrine-d3 (Mixture of Isomers) Stable Isotopes CS-O-40425 78658-64-7 (Unlabeled) In Stock
rac Benzyl Phenylephrine-d3(Phenylephrine Impurity D) Stable Isotopes CS-T-98932 1276402-67-5 Enquire
Rac-Phenylephrine-D3 Stable Isotopes CS-O-50669 88694-06-8 Enquire
rac-Phenylephrine-d3 Hydrochloride Stable Isotopes CS-T-93266 2714485-34-2 In Stock
(R)-(-)-Phenylephrine D3 Hydrochloride Stable Isotopes CS-O-01226 1276197-50-2 Enquire
Phenylephrine 3-O- glucuronide-D5 Stable Isotopes CS-O-42626 Not Available Enquire
Phenylephrine 3-O-sulfate-D5 Stable Isotopes CS-O-42625 Not Available Enquire
Phenylephrine D3 Stable Isotopes CS-O-33075 1217705-88-8 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylephrine API CS-CY-00044 59-42-7 In Stock
Phenylephrine Hydrochloride API CS-O-05016 61-76-7 In Stock
rac Phenylephrine Hydrochloride API CS-T-84725 154-86-9 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dimethyltetrahydrofolic acid Metabolite CS-EO-00253 3029091-15-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurity CS-O-43306 2095343-25-0 Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurity CS-O-43307 Not Available Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurity CS-O-43305 2095343-19-2 Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurity CS-O-43308 Not Available Enquire
1-(2-(3-acetylphenoxy)phenyl)ethan-1-one Impurity CS-BX-02989 ---- Enquire
1-(2-(4-acetylphenoxy)phenyl)ethan-1-one Impurity CS-BX-02990 37407-21-9 Enquire
1-(4-Hydroxyphenyl)-2-(methylamino)ethan-1-one Impurity CS-O-58839 21213-89-8 Enquire
1,1'-(oxybis(2,1-phenylene))bis(ethan-1-one) Impurity CS-BX-02988 37407-22-0 Enquire
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline Hydroc... Impurity CS-O-11270 57196-61-9 In Stock
D-Phenylephrine sulfonate Impurity CS-O-45714 Not Available Enquire
L-Phenylephrine sulfonate Impurity CS-O-45715 Not Available Enquire
O-Acetyl-(R)-phenylephrine Hydrochloride Impurity CS-T-93478 878739-00-5 (Recemic); 878889-09-9 (Recemic freeb Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurity CS-O-48658 2514676-44-7 Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurity CS-O-15944 23824-25-1 In Stock
Phenylephrine 4,8 Isoquinoline Hydrochloride analog Impurity CS-O-11269 23824-25-1 (Free Base) In Stock
Phenylephrine EP Impurity A Impurity CS-EO-01240 5596-07-6 In Stock
Phenylephrine EP Impurity C HCl Impurity CS-T-39480 94240-17-2 In Stock
Phenylephrine EP Impurity C TFA salt Impurity CS-O-34246 52093-42-2 (free base) In Stock
Phenylephrine Impurity 13 Impurity CS-EO-04086 ---- Enquire
Phenylephrine Impurity 14 Impurity CS-EO-04087 ---- Enquire
Phenylephrine Impurity 15 Impurity CS-EO-04088 ---- Enquire
Phenylephrine Impurity 4 Impurity CS-P-08330 2353593-06-1 Enquire
Phenylephrine impurity 43 Impurity CS-O-45713 Not Available Enquire
Phenylephrine Impurity 5 Impurity CS-P-08688 2353261-33-1 Enquire
Phenylephrine Impurity 6 HCl Impurity CS-O-56800 ---- Enquire
Phenylephrine Impurity C Impurity CS-O-51486 52093-42-2 Enquire
Phenylephrine Impurity D Impurity CS-DH-00008 1367567-95-0 In Stock
Phenylephrine isoquinoline 4,6-diol analog Impurity CS-O-36024 23824-24-0 In Stock
Phenylephrine isoquinolinone analog TFA Impurity CS-O-59920 Not Available In Stock
Phenylephrine-Acetaminophen degradation product-1 Impurity CS-O-57454 ---- Enquire
Phenylephrine-Acetaminophen degradation product-2 Impurity CS-O-57455 ---- Enquire
Phenylephrine-Acetaminophen degradation product-3 Impurity CS-O-57456 ---- Enquire
Phenylephrine-citrate adduct (Mixture of isomers ) Impurity CS-EO-00340 Not Available Enquire
(R)-6-Bromo Phenylephrine Hydrochloride Impurity CS-T-67840 1391067-95-0 Enquire
(R)-O,O-Bis(tert-butyldimethlsilyl) Phenylephrine Impurity CS-T-49226 1217862-07-1 Enquire
(R)-Phenylephrine 3-O-Sulfate Impurity CS-T-84386 1242184-39-9 Enquire
1-[5-(Hydroxymethyl)-2-furyl]-2-methyl-1,2,3,4-tetrahydroiso... Impurity CS-T-78138 1312706-19-6 Enquire
1-[5-(Hydroxymethyl)-2-furyl]-2-methyl-1,2,3,4-tetrahydroiso... Impurity CS-T-79289 1312706-18-5 Enquire
2 hydroxy-2-(2{[(2S)-2-hydroxy 2-(3-hydroxyphenyl)ethyl](met... Impurity CS-O-38476 Not Available Enquire
3-Hydroxy-4-oxobutanoic Acid Phenylephrine Impurity CS-T-56068 830346-80-0 Enquire
N-(2-Succinyl) Phenylephrine Impurity CS-T-42755 915278-80-7 Enquire
N-acetylphenylephrine Impurity CS-DH-00030 58952-80-0 Enquire
N-Formylphenylephrine Impurity CS-K-00279 2382194-29-6 Enquire
Phenylephrine Citrate Adduct -2 Impurity CS-EO-01035 Not Available Enquire
Phenylephrine D-(+)-glucose Adduct Impurity CS-EO-01736 2575516-66-2 Enquire
Phenylephrine EP Impurity E Impurity CS-EO-00144 56917-44-3 Enquire
Phenylephrine Impurity 12 Impurity CS-EO-01653 Not Available Enquire
Phenylephrine Impurity 20 Impurity CS-EO-01453 94751-95-8 Enquire
Phenylephrine Impurity 26 Impurity CS-EO-01396 Not Available Enquire
Phenylephrine Impurity 29 Impurity CS-EO-01929 50741-74-7 Enquire
Phenylephrine Impurity 33 Impurity CS-P-08807 57236-57-4 Enquire
Phenylephrine Impurity 38 Impurity CS-O-38510 Not Available Enquire
Phenylephrine Impurity 9 Impurity CS-EO-00315 Not Available Enquire
Phenylephrine Impurity-37 Impurity CS-O-38509 Not Available Enquire
Phenylephrine Impurity-39 Impurity CS-O-38511 Not Available Enquire
Phenylephrine Impurity-40 Impurity CS-O-38512 Not Available Enquire
Phenylephrine Impurity-41 Impurity CS-O-38513 Not Available Enquire
Phenylephrine maleic acid adduct Impurity CS-O-36450 Not Available Enquire
Phenylephrine related compound F Impurity CS-T-86372 1007885-60-0 Enquire
rac 2-Bromo Phenylephrine Hydrochloride Impurity CS-T-67267 1391054-09-3 Enquire
rac Benzyl Phenylephrine Impurity CS-T-49042 1159977-09-9 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
rac Norphenylephrine Hydrochloride Intermediate CS-T-59763 4779-94-6 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylephrine Glucuronide Glucuronide CS-B-00353 Not Available Enquire
Phenylephrine β-D-Glucuronide (Mixture of Diastereomers) Glucuronide CS-T-93431 ---- Enquire
Phenylephrine-2-O-glucuronide Glucuronide CS-O-10059 1260611-56-0 Enquire
Phenylephrine-3-O-glucuronide Glucuronide CS-O-10058 2021255-73-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-2-(methylamino)-1-(3-nitrophenyl)ethanol Fine Chemicals CS-O-40996 50741-73-6 Enquire
(R)-3-(2-chloro-1-hydroxyethyl)phenol Fine Chemicals CS-O-33435 925430-39-3 Enquire
3-(2-chloro-1-hydroxyethyl)phenol Fine Chemicals CS-O-33430 1378757-22-2 Enquire
N-[(2R)-2-Hydroxy-2-(3-hydroxyphenyl)ethyl]-N-methyl-glycine Fine Chemicals CS-T-78555 1094089-46-9 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Phenylephrine (1 mg/ml in methanol) Nitrosamine CS-O-55126 78658-64-7 Enquire
N-Nitroso Phenylephrine (Mixture of Isomers) Nitrosamine CS-P-08827 78658-64-7 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Formylphenylephrine Secondary Standards CS-SS-25059-100MG Not Available Enquire
Norphenylephrine Hydrochloride Secondary Standards CS-SS-24513-200MG 4779-94-6 Enquire
Norphenylephrine Hydrochloride Secondary Standards CS-SS-24513 4779-94-6 Enquire
Norphenylephrine Hydrochloride Secondary Standards CS-SS-26566 ---- Enquire
Phenylephrine Bitartrate Secondary Standards CS-SS-25913-50MG 17162-39-9 Enquire
Phenylephrine Hydrochloride Secondary Standards CS-SS-24076-500MG 61-76-7 Enquire
Phenylephrine Related Compound C Secondary Standards CS-SS-24650-50MG 94240-17-2 Enquire
Phenylephrine Related Compound D Secondary Standards CS-SS-25054-100MG 1367567-95-0 Enquire
Phenylephrine Related Compound E Secondary Standards CS-SS-24664-50MG 71786-67-9 Enquire
Phenylephrine Related Compound F Secondary Standards CS-SS-25055-100MG Not Available Enquire
Phenylephrine Related Compound G Secondary Standards CS-SS-25056-100MG 1094089-46-9 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Phenylephrine (Mixture of Isomers) Analytical Standard CS-P-08827-10MG 78658-64-7 Enquire
N-nitroso-phenylephrine-100 PPM in Acetonitrile Analytical Standard CS-P-08827-1.5ML 78658-64-7 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Boc-(R)-Phenylephrine Building Blocks CS-T-07672 1049702-99-9 In Stock


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-Phenylephrine Chiral CS-EK-00130 614-03-9 Enquire
(S)-Phenylephrine Hydrochloride Chiral CS-T-60419 939-38-8 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylephrine hydrochloride for peak identification CRS (con... EP Standards CS-EG-03294 Not Available Enquire