99% up Eltrombopag Olamine intermediate 2-(3,4-Dimethylphenyl)-1,2-Dihydro-5-Methyl-3H-Pyrazol-3-One 277299-70-4

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1 Kilogram	Negotiable

1 Kilogram

Negotiable

Eltrombopag Olamine intermediate 277299-70-4 Eltrombopag intermediate

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Product name	2-(3,4-Dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one
CAS No.	277299-70-4
Molecular Formula	C12H14N2O
Molecular Weight	202.256
Molecular Structure
Quality Standard	98% up by HPLC
Appearance	White to off-white solid

Test Items	Specification		Test Results
Appearance	White to off-white solid.		Off-white solid
Water	≤ 0.5%		0.18%
Related substance	Purity	≥98.0%	99.9%
Related substance	Largest impurity	≤0.5%	0.06%
Residue solvents	Ethyl acetate	≤0.5%	0.33%
Residue solvents	Heptane	≤0.5%	<0.05%
Conclusion	The product conforms to the requirements of Enterprise standard.