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130533-04-9

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130533-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130533-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,5,3 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 130533-04:
(8*1)+(7*3)+(6*0)+(5*5)+(4*3)+(3*3)+(2*0)+(1*4)=79
79 % 10 = 9
So 130533-04-9 is a valid CAS Registry Number.

130533-04-9Relevant articles and documents

Decyanation of 2-Oxoazetidine-4-carbonitriles as a New Route to (4S)-4--azetidin-2-one, an Intermediate for the Synthesis of 1β-Methylcarbapenem Antibiotics

Shirai, Masashi,Nishiwaki, Tarozaemon

, p. 2018 - 2031 (2007/10/02)

Base-catalysed cyclisation of the α-bromoacetamides derived from aminonitriles gave 4-alkyl- and 4-aryl-2-oxoazetidine-4-carbonitriles in high yield, whose cyano group was removed with sodium in liquid ammonia. (3R)-2-(4-Methoxybenzylamino)-3-benzyloxy-me

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