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130872-73-0

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130872-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130872-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,7 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130872-73:
(8*1)+(7*3)+(6*0)+(5*8)+(4*7)+(3*2)+(2*7)+(1*3)=120
120 % 10 = 0
So 130872-73-0 is a valid CAS Registry Number.

130872-73-0Relevant articles and documents

Alternative Synthesis of 6-(3-Methoxybenzyl)pyrazin-2(1H)-one. Synthesis of Indenopyrazin-2-ones. Crystal Structures of 5-Acetoxy-1-benzyl-4-tert-butoxycarbonyl-6-(3-methoxybenzylidene)piperazin-2-one,...

Peters, David A.,Beddoes, Roy L.,Joule, John A.

, p. 1217 - 1224 (2007/10/02)

1-Acetyl-3-(3-methoxybenzylidene)piperazine-2,5-dione 7a was converted via a 7-step sequence into 6-(3-methoxybenzyl)pyrazin-2(1H)-one 2a.Treatment of 1-benzyl-4-tert-butoxycarbonyl-5-hydroxy-6-(3-methoxybenzylidene)piperazin-2-one 8a with acids results i

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