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59021-52-2

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59021-52-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59021-52-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,0,2 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 59021-52:
(7*5)+(6*9)+(5*0)+(4*2)+(3*1)+(2*5)+(1*2)=112
112 % 10 = 2
So 59021-52-2 is a valid CAS Registry Number.

59021-52-2Downstream Products

59021-52-2Relevant articles and documents

An efficient synthesis of 3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one derivatives via an iminophosphorane

He, Ping,Yan, Yan-Mei,Ding, Ming-Wu

, p. E93-E97 (2014/11/07)

The iminophosphorane (3), obtained from reaction of ethyl 3-amino-4-cyano-1-phenyl-1H-pyrrole-2-carboxylate (2) with triphenylphosphine, hexachloroethane, and triethylamine, reacted with aromatic isocyanates to give carbodiimides (4). Further reaction of

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