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497059-13-9

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497059-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497059-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,0,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 497059-13:
(8*4)+(7*9)+(6*7)+(5*0)+(4*5)+(3*9)+(2*1)+(1*3)=189
189 % 10 = 9
So 497059-13-9 is a valid CAS Registry Number.

497059-13-9Downstream Products

497059-13-9Relevant articles and documents

Synthesis of novel 5-acetoacetyl-3-acetyl-2-pyridone derivatives by the ring-transformation of 6-methyl-1,3-oxazin-4-ones

Ouchi, Hidekazu,Saito, Hisao,Yamamoto, Yutaka,Takahata, Hiroki

, p. 299 - 308 (2007/10/03)

The synthesis of novel poly-functionalized 5-acetoacetyl-3-acetyl-2-pyridone derivatives was achieved via the ring-transformation of 6-methyl-4H-1,3-oxazin-4-ones with 3-methylisoxazole derivatives, followed by reductive cleavage of the isoxazole ring and

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