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18858-09-8

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18858-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18858-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,5 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18858-09:
(7*1)+(6*8)+(5*8)+(4*5)+(3*8)+(2*0)+(1*9)=148
148 % 10 = 8
So 18858-09-8 is a valid CAS Registry Number.

18858-09-8Relevant articles and documents

Novel Polysulphur Bridged Metacyclophanes from the Iron-catalysed Reaction of Bis-(2,4-dimethoxyphenyl) Sulphide with Disulphur Dichloride. Evidence for the Cleavage of the Carbon-Sulphur Bond by Electrophilic Agents

Bottino, Francesco,Pappalardo, Sebastiano

, p. 718 - 722 (2007/10/02)

The iron-catalysed reaction of bis-(2,4-dimethoxyphenyl)sulphide (3) with disulphur dichloride (S2Cl2) in dilute chloroform solution has been investigated.Surprisingly, the reaction gives 4,6,11,13,18,20-hexamethoxy-1,2,9,16-tetrathiametacyclophane

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