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1256550-37-4

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1256550-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256550-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,5,5 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1256550-37:
(9*1)+(8*2)+(7*5)+(6*6)+(5*5)+(4*5)+(3*0)+(2*3)+(1*7)=154
154 % 10 = 4
So 1256550-37-4 is a valid CAS Registry Number.

1256550-37-4Upstream product

1256550-37-4Downstream Products

1256550-37-4Relevant articles and documents

A new and efficient route for the synthesis of naturally occurring catecholamines

Bernini, Roberta,Crisante, Fernanda,Barontini, Maurizio,Fabrizi, Giancarlo

experimental part, p. 3838 - 3842 (2010/03/30)

Catecholamines, sympathomimetic drugs and adrenergic receptor antagonists, have been prepared by a regioselective oxidation of the corresponding 4-hydroxyphenethylamine derivatives by 2-iodoxybenzoic acid (IBX) in homogeneous as well as in heterogeneous conditions and followed by cleavage of the amino protective group. By using polymer-supported IBX, after the first oxidation, the oxidant can be recovered, regenerated, and efficiently reused for several additional times. An efficient, easy and green procedure for the synthesis of N-(methoxycarbonyl)dopamine, key component of many pharmaceuticals, has also been reported. Georg Thieme Verlag Stuttgart.

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