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471931-09-6

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471931-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 471931-09-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,1,9,3 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 471931-09:
(8*4)+(7*7)+(6*1)+(5*9)+(4*3)+(3*1)+(2*0)+(1*9)=156
156 % 10 = 6
So 471931-09-6 is a valid CAS Registry Number.

471931-09-6Relevant articles and documents

Synthesis of dihydroxylated polyamines from an erythronolactone

Le Roch, Myriam,Renault, Jacques,Penla?, Kristell,Uriac, Philippe

, p. 3451 - 3453 (2003)

The opening of protected erythronolactone by an amine or a diamine furnished hydroxy-amides. Their multistep functional conversion led to either selectively protected or free dihydroxy-polyamines.

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