(+)-Antibiotic K 252a
[CAS# 99533-80-9]

Identification

• Classification: API >> Antibiotics
• Name: (+)-Antibiotic K 252a
• Synonyms: (+)-Antibiotic SF 2370; (+)-K 252a; (+)-SF 2370; Antibiotic K 252a; Antibiotic K 252a, (+)-; Antibiotic SF 2370; Antibiotic SF 2370, (+)-; K 252; K 252a; K 252a Nocardiopsis sp.; Protein kinase inhibitor K252a; SF 2370
• Molecular Formula: C₂₇H₂₁N₃O₅
• Molecular Weight: 467.47
• CAS Registry Number: 99533-80-9 (97161-97-2)
• EC Number: 640-127-4

Properties

• Solubility: Insoluble (3.5E^-5 g/L) (25 ºC), Calc.^*
• Density: 1.67±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 262-273 ºC (decomp) (methanol )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** JP 60041489 A 1985.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319