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118335-04-9

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118335-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118335-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,3,3 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 118335-04:
(8*1)+(7*1)+(6*8)+(5*3)+(4*3)+(3*5)+(2*0)+(1*4)=109
109 % 10 = 9
So 118335-04-9 is a valid CAS Registry Number.

118335-04-9Relevant articles and documents

METALATION REACTIONS. PART XVII. DILITHIATION OF PHENYL ISOPROPYL SULPHONE

Cabiddu, Maria G.,Cabiddu, Salvatore,Fattuoni, Claudia,Floris, Costantino,Gelli, Gioanna,Melis, Stefana

, p. 139 - 144 (2007/10/02)

The general utility of dimetalation reactions of phenyl iso-propyl sulphone for the preparation of ortho,alpha-substituted aryl sulphones is described.All the products were obtained in satisfactory yields. Key words: Alkyl aryl sulphones; metalation; poly

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