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131223-31-9

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131223-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131223-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,2 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131223-31:
(8*1)+(7*3)+(6*1)+(5*2)+(4*2)+(3*3)+(2*3)+(1*1)=69
69 % 10 = 9
So 131223-31-9 is a valid CAS Registry Number.

131223-31-9Downstream Products

131223-31-9Relevant articles and documents

EFFECT OF MOLECULAR STRUCTURE ON OPTICAL PROPERTIES OF SULFOXIDE SYSTEMS. 2-(4'-NITROBENZYLSULFINYL)BENZOIC ACIDS AND SOME OF THEIR DERIVATIVES. PART I

Janczewski, Marian,Radkiewicz, Stanislaw

, p. 439 - 453 (2007/10/02)

The synthesis and principal properties of 2-(4'-nitrobenzylsulfinyl and sulfonyl)benzoic acids are described.Racemic sulfoxide was resolved by fractional crystallization of its brucine and strychnine diastereomeric salts.The absolute configurations of the

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