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219500-78-4

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219500-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219500-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,0 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219500-78:
(8*2)+(7*1)+(6*9)+(5*5)+(4*0)+(3*0)+(2*7)+(1*8)=124
124 % 10 = 4
So 219500-78-4 is a valid CAS Registry Number.

219500-78-4Relevant articles and documents

Oxidation of dithiocarbamates and synthesis of a stable sulfine

Chevrie, David,Metzner, Patrick

, p. 8983 - 8986 (1998)

Investigation of the oxidation reaction of various dithiocarbamates demonstrated that the corresponding sulfines (S-oxides) are formed. Though their stabilities are very moderate, a number of sulfines could be isolated and characterised. When left at ambient temperature they decomposed to thiolocarbamates and dithiocarbamates. The sulfines from secondary dithiocarbamates led to disulfides which formation was explained. With a sterically hindered aryl group present on the sulfur atom, a stable sulfine was prepared and its crystal structure was analysed.

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