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408340-56-7

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408340-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 408340-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,4 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 408340-56:
(8*4)+(7*0)+(6*8)+(5*3)+(4*4)+(3*0)+(2*5)+(1*6)=127
127 % 10 = 7
So 408340-56-7 is a valid CAS Registry Number.

408340-56-7Upstream product

408340-56-7Downstream Products

408340-56-7Relevant articles and documents

A new effective synthesis of arene mono- and disulfonyl chlorides

Barbero, Margherita,Bazzi, Stefano,Cadamuro, Silvano,Dughera, Stefano,Magistris, Claudio,Venturello, Paolo

, p. 1803 - 1806 (2010)

Arene mono- and disulfonyl chlorides have been easily synthesized starting from the corresponding anilines via aqueous oxidative chlorination of S-aryl O-ethyl dithiocarbonates intermediates, aryl methyl sulfides, or from arenethiols. Georg Thieme Verlag Stuttgart.

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