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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 D3 Hydrochloride Stable Isotopes CS-O-01226 1276197-50-2 Enquire
(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
N-Nitroso Phenylephrine-d3 (Mixture of Isomers) Stable Isotopes CS-O-40425 78658-64-7 (Unlabeled) In Stock
Phenylephrine D3 Stable Isotopes CS-O-33075 1217705-88-8 Enquire
rac Benzyl Phenylephrine-d3(Phenylephrine Impurity D) Stable Isotopes CS-T-98932 1276402-67-5 Enquire
rac-Phenylephrine-d3 Hydrochloride Stable Isotopes CS-T-93266 2714485-34-2 In Stock


API Standards

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


Metabolites

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


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurities CS-O-43306 2095343-25-0 Enquire
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurities CS-O-43307 Not Available Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6... Impurities CS-O-43305 2095343-19-2 Enquire
(1S,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8... Impurities CS-O-43308 Not Available Enquire
(R)-6-Bromo Phenylephrine Hydrochloride Impurities CS-T-67840 1391067-95-0 Enquire
(R)-O,O-Bis(tert-butyldimethlsilyl) Phenylephrine Impurities CS-T-49226 1217862-07-1 Enquire
(R)-Phenylephrine 3-O-Sulfate Impurities CS-T-84386 1242184-39-9 Enquire
(R/S)-Phenylephrine-d3 Glucuronide Impurities CS-B-00365 Not Available Enquire
1-(2-(3-acetylphenoxy)phenyl)ethan-1-one Impurities CS-BX-02989 Not Available Enquire
1-(2-(4-acetylphenoxy)phenyl)ethan-1-one Impurities CS-BX-02990 37407-21-9 Enquire
1-(4-Hydroxyphenyl)-2-(methylamino)ethan-1-one Impurities CS-O-58839 21213-89-8 Enquire
1,1'-(oxybis(2,1-phenylene))bis(ethan-1-one) Impurities CS-BX-02988 37407-22-0 Enquire
1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline Hydroc... Impurities CS-O-11270 57196-61-9 In Stock
2 hydroxy-2-(2{[(2S)-2-hydroxy 2-(3-hydroxyphenyl)ethyl](met... Impurities CS-O-38476 Not Available Enquire
3-Hydroxy-4-oxobutanoic Acid Phenylephrine Impurities CS-T-56068 830346-80-0 Enquire
D-Phenylephrine sulfonate Impurities CS-O-45714 Not Available Enquire
L-Phenylephrine sulfonate Impurities CS-O-45715 Not Available Enquire
N-(2-Succinyl) Phenylephrine Impurities CS-T-42755 915278-80-7 Enquire
N-acetylphenylephrine Impurities CS-DH-00030 58952-80-0 Enquire
O-Acetyl-(R)-phenylephrine Hydrochloride Impurities CS-T-93478 878739-00-5 (Recemic); 878889-09-9 (Recemic freeb Enquire
Phenylephrine 4,8 Isoquinoline Analog Impurities CS-O-15944 23824-25-1 Enquire
Phenylephrine 4,8 Isoquinoline Hydrochloride analog Impurities CS-O-11269 23824-25-1 (Free Base) In Stock
Phenylephrine Citrate Adduct -2 Impurities CS-EO-01035 Not Available Enquire
Phenylephrine EP Impurity A Impurities CS-EO-01240 5596-07-6 In Stock
Phenylephrine EP Impurity C HCl Impurities CS-T-39480 94240-17-2 In Stock
Phenylephrine EP Impurity C TFA salt Impurities CS-O-34246 52093-42-2 (free base) In Stock
Phenylephrine EP Impurity E Impurities CS-EO-00144 56917-44-3 Enquire
Phenylephrine Impurity 13 Impurities CS-EO-04086 Not Available Enquire
Phenylephrine Impurity 14 Impurities CS-EO-04087 Not Available Enquire
Phenylephrine Impurity 38 Impurities CS-O-38510 Not Available Enquire
Phenylephrine Impurity 4 Impurities CS-P-08330 2353593-06-1 Enquire
Phenylephrine impurity 43 Impurities CS-O-45713 Not Available Enquire
Phenylephrine Impurity 5 Impurities CS-P-08688 2353261-33-1 Enquire
Phenylephrine Impurity 6 HCl Impurities CS-O-56800 Not Available Enquire
Phenylephrine Impurity 9 Impurities CS-EO-00315 Not Available Enquire
Phenylephrine Impurity C Impurities CS-O-51486 52093-42-2 Enquire
Phenylephrine Impurity D Impurities CS-DH-00008 1367567-95-0 In Stock
Phenylephrine Impurity-37 Impurities CS-O-38509 Not Available Enquire
Phenylephrine Impurity-39 Impurities CS-O-38511 Not Available Enquire
Phenylephrine Impurity-40 Impurities CS-O-38512 Not Available Enquire
Phenylephrine Impurity-41 Impurities CS-O-38513 Not Available Enquire
Phenylephrine isoquinoline 4,6-diol analog Impurities CS-O-36024 23824-24-0 In Stock
Phenylephrine isoquinolinone analog Impurities CS-EO-00421 Not Available Enquire
Phenylephrine isoquinolinone analog TFA Impurities CS-O-59920 Not Available In Stock
Phenylephrine maleic acid adduct Impurities CS-O-36450 Not Available Enquire
Phenylephrine related compound F Impurities CS-T-86372 1007885-60-0 Enquire
Phenylephrine-Acetaminophen degradation product-1 Impurities CS-O-57454 Not Available Enquire
Phenylephrine-Acetaminophen degradation product-2 Impurities CS-O-57455 Not Available Enquire
Phenylephrine-Acetaminophen degradation product-3 Impurities CS-O-57456 Not Available Enquire
Phenylephrine-citrate adduct (Mixture of isomers ) Impurities CS-EO-00340 Not Available Enquire
rac 2-Bromo Phenylephrine Hydrochloride Impurities CS-T-67267 1391054-09-3 Enquire
rac Benzyl Phenylephrine Impurities CS-T-49042 1159977-09-9 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylephrine hydrochloride (P1250000) EP Standards CS-EG-01091 61-76-7 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-4-Bromo Phenylephrine Hydrochloride Intermediates CS-T-49889 1391068-15-7 Enquire
4-Bromo Phenylephrine 3-O-(2-Methoxyethoxymethyl) Ether Intermediates CS-T-67852 1797818-04-2 Enquire
Phenylephrine 4,8 Isoquinoline Analog Intermediates CS-O-48658 2514676-44-7 Enquire
rac 4-Bromo Phenylephrine Hydrochloride Intermediates CS-T-49887 1391054-36-6 Enquire
rac 6-Bromo Phenylephrine Hydrochloride Intermediates CS-T-49888 1391053-54-5 Enquire
rac Norphenylephrine Hydrochloride Intermediates CS-T-59763 4779-94-6 In Stock


Glucuronides

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