Search products

Search by product name, CAT, CAS, molecular formula or chemical name.

Trusted Partner for Reference Standards and Beyond
Products About us Facility Quality system OUR DIVISIONS SimSon Chemtech Speciality & fine chemicals SimSon Chemie Research chemicals supply SimSon Lifescience Services CRO, CDMO & analytical testing Contact us Careers

Peptide impurities

Peptide impurities are byproducts like truncated, deletion, and oxidized sequences formed during synthesis or storage, identified by HPLC and MS analysis.

Impurity Standards

Calcitonin Impurity 10

CAT. No.C1380030 CAS No.NA Mol. F.C145H240N42O50S2 Mol. W.3435.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 11

CAT. No.C1380031 CAS No.NA Mol. F.C145H237N43O48S2 Mol. W.3414.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 12

CAT. No.C1380032 CAS No.NA Mol. F.C145H237N43O48S2 Mol. W.3414.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 13

CAT. No.C1380033 CAS No.NA Mol. F.C145H238N44O47S2 Mol. W.3413.84 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 14

CAT. No.C1380034 CAS No.NA Mol. F.C142H236N42O48S1 Mol. W.3331.80 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 2

CAT. No.C1380026 CAS No.NA Mol. F.C138H233N43O47S2 Mol. W.3310.76 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 35

CAT. No.C1380042 CAS No.NA Mol. F.C25H26N2O6 Mol. W.450.49 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 4

CAT. No.C1380025 CAS No.NA Mol. F.C145H241N43O49S2 Mol. W.3434.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 5

CAT. No.C1380027 CAS No.NA Mol. F.C147H243N43O50S2 Mol. W.3476.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 6

CAT. No.C1380043 CAS No.NA Mol. F.C27H30N2O7 Mol. W.494.54 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 8

CAT. No.C1380028 CAS No.NA Mol. F.C136H227N41O46S2 Mol. W.3236.79 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Impurity 9

CAT. No.C1380029 CAS No.NA Mol. F.C145H240N42O50S2 Mol. W.3435.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Salmon Impurity 2

CAT. No.C1380059 CAS No.NA Mol. F.C145H241N43O49S2 Mol. W.3434.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Salmon Impurity 3

CAT. No.C1380054 CAS No.NA Mol. F.C147H243N43O50S2 Mol. W.3476.90 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Salmon Impurity 5

CAT. No.C1380053 CAS No.NA Mol. F.C138H233N43O47S2 Mol. W.3310.80 g/mol Stock Status Custom Synthesis
COA MSDS

Calcitonin Salmon Impurity 6

CAT. No.C1380060 CAS No.NA Mol. F.C145H240N42O50S2 Mol. W.3435.90 g/mol Stock Status Custom Synthesis
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
SimSon — Science Standards Solutions
D-U-N-S Registered — Dun & Bradstreet D-U-N-S® REGISTERED Verified by Dun & Bradstreet
OFFICES & LABORATORIES
REGISTERED OFFICE · MUMBAI B-307, Sarita Building, Prabhat Industrial Estate, Near Dahisar Toll Naka, Dahisar (East), Mumbai- 400068, Maharashtra, India
CORPORATE OFFICE · MUMBAI Unit 1001-1006, The Platina, Tanvi Complex, S. V. Road, Dahisar East, Mumbai 400068, India
LABORATORY · HYDERABAD Shed 6A, TYPE III, TSIIC, Prashanthi Nagar, Kukatpally, Hyderabad 500072, India
REGIONAL OFFICE · AHMEDABAD Survey Number 375 Paiki 1, Plot Number 11, Shivam 5, Near Sumip Composite, Panchratna Estate, Village Changodar, Taluka Sanand, District Ahmedabad, Gujarat-382213
TALK TO THE RIGHT DESK
© 2026 SimSon Pharma Limited · All rights reserved