Melting point: 345-348°C Boiling point: 473.1±18.0 °C(Predicted) Density: 1.62± 0.1g /cm3(Predicted) RTECS: UY9440000 Storage conditions 2-8°C Solubility: Soluble in dimethyl sulfoxide. Appearance: White to off white solid acidity coefficient (pKa) 11.99 + 0.20 (Predicted) Sensitivity: Moisture & Light Brown InChIKeyFBMZEITWVNHWJW UHFFFAOYSA - NDanger symbol (GHS): Warning word: Warning Hazard description: H317-H319 Precautions : P280-P302+P352-P305+P351+P338 Danger Class code: 36-43 Safety Instructions:26-36/37 WGK Germany : 3 Hazard Note :Irritant HS Code: 29335990Store in a cool place. Keep the container closed and store in a dry, ventilated place. Recommended storage temperature: 2-8 °C Operate under nitrogen to avoid moisture. Sensitive to heat, light and moisture stored in nitrogen.

TESTING ITEM	SPECIFICATION
Characteristics	White to off white solid
Water Content	≤0.5%
Purity(by HPLC)	≥98.0%
Assay(by HPLC)	≥98.0%

Packed in 25kg /drum, lined with double plastic bag, or packed according to customer needs. Intermediate, Pharmaceutical intermediate It is a prodrug of xanthine oxidase activated thymidine phosphorylase inhibitors. It is an organic synthesis and pharmaceutical intermediate, mainly used in the production of tofacitinib, barricitinib and other anticancer drugs in the process of chemical and pharmaceutical synthesis.CAS NO.:7400-06-8 Product Name: 6-Amino-5-(2,2-diethoxyethyl)pyrimidin-4-ol Molecular formula:C10H17N3O3CAS NO.: 67831-84-9 Product Name: 4H-Pyrrolo[2,3-d]pyrimidin-4-one,1,2,3,7-tetrahydro-2-thioxo- Molecular formula: C6H5N3OSCAS NO.:7400-05-7 Product Name:4(1H)-Pyrimidinone,6-amino-5-(2,2-diethoxyethyl)-2,3-dihydro-2-thioxo- Molecular formula:C10H17N3O3SCAS NO.:52133-67-2 Product Name: Ethyl 2-cyano-4,4-diethoxybutyrate Molecular formula: C11H19NO4CAS NO.:56-86-0 Product Name: L-glutamic acid Molecular formula:C5H9NO4CAS NO.:3680-69-1 Product Name:4-Chloro-7H-pyrrolo[2,3-d]pyrimidine Molecular formula:C6H4ClN3CAS NO.:346599-63-1 Product Name: 4-Chloro-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one Molecular formula:C6H4ClN3O CAS NO.:941685-26-3 Product Name:4-chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine Molecular formula:C12H18ClN3OSi CAS NO.:186519-89-1 Product Name: 4-chloro-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine Molecular formula:C12H8ClN3O2SCAS NO.:271-70-5 Product Name: 7H-Pyrrolo[2,3-d]pyrimidine Molecular formula:C6H5N3