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229177-48-4

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229177-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 229177-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,1,7 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 229177-48:
(8*2)+(7*2)+(6*9)+(5*1)+(4*7)+(3*7)+(2*4)+(1*8)=154
154 % 10 = 4
So 229177-48-4 is a valid CAS Registry Number.

229177-48-4Relevant articles and documents

Facile methods for the direct conversions of aryl acetates into the corresponding methoxymethyl ethers or silyl ethers

Oriyama, Takeshi,Noda, Kojiro,Sugawara, Satomi

, p. 2217 - 2223 (1999)

Direct conversion of aryl acetates into aryl methoxymethyl ethers or aryl trialkylsilyl ethers was readily accomplished by treatment with methoxymethyl bromide or trialkylsilyl trifluoromethanesulfonate, respectively, in the presence of sodium methoxide.

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