Pimecrolimus

Name: Pimecrolimus
Brand: Vaqora Chemicals
SKU: VQ-027497

About Pimecrolimus

Listed under CAS 137071-32-0, Pimecrolimus is a high-purity reference standard of Pimecrolimus available from Vaqora Chemicals. The compound has the formula C43H68ClNO11, corresponding to a molecular weight of 810.4 g/mol. Common synonyms include 33-epi-Chloro-33-desoxyascomycin and ASM 981.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Pimecrolimus standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Pimecrolimus in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Pimecrolimus

View every impurity, metabolite and intermediate we list for Pimecrolimus.

Pimecrolimus impurities

Specifications & identifiers

Chemical identifiers
Product name	Pimecrolimus
Catalogue No.	VQ-027497
CAS Number	137071-32-0
IUPAC name	(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-12-[(E)-1-[(1R,3R,4S)-4-chloro-3-methoxycyclohexyl]prop-1-en-2-yl]-17-ethyl-1,14-dihydroxy-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Molecular formula	C₄₃H₆₈ClNO₁₁
Molecular weight	810.4 g/mol
Exact mass	809.4481
Grade	Reference Standard
HSN code	38229090
InChIKey	KASDHRXLYQOAKZ-XDSKOBMDSA-N
SMILES	CC[C@@H]1/C=C(/C[C@@H](C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC1=O)O)C)/C(=C/[C@@H]4CC[C@@H]([C@@H](C4)OC)Cl)/C)O)C)OC)OC)C)\C
PubChem CID	6509979

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	2 / 11
TPSA	158 Å²
Synonyms	33-epi-Chloro-33-desoxyascomycin, ASM 981, ASM-981, ASM-998, 33-Epichloro-33-desoxyascomycin, EX-A2138

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P319, P321, P330, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Pimecrolimus?

The CAS Registry Number of Pimecrolimus is 137071-32-0. It is also known as 33-epi-Chloro-33-desoxyascomycin, ASM 981, ASM-981.

What is the molecular formula and molecular weight of Pimecrolimus?

Pimecrolimus has the molecular formula C43H68ClNO11 and a molecular weight of 810.4 g/mol.

What is Pimecrolimus used for?

Pimecrolimus is supplied as a characterised reference material related to Pimecrolimus. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Pimecrolimus can I order?

We supply Pimecrolimus in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pimecrolimus?

Yes. Every lot of Pimecrolimus is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Pimecrolimus be shipped internationally?

Yes. Pimecrolimus is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.