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198023-01-7

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198023-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198023-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,0,2 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 198023-01:
(8*1)+(7*9)+(6*8)+(5*0)+(4*2)+(3*3)+(2*0)+(1*1)=137
137 % 10 = 7
So 198023-01-7 is a valid CAS Registry Number.

198023-01-7Relevant articles and documents

Tin-chalcogen double-bond compounds, stannanethione and stannaneselone: Synthesis, structure, and reactivities

Saito, Masaichi,Tokitoh, Norihiro,Okazaki, Renji

, p. 15572 - 15582 (2007/10/03)

The first isolation of diarylstannanethione (tin-sulfur double-bond compound) and diarylstannaneselone (tin-selenium double-bond compound), Tbt(Ditp)Sn=X (Tbt = 2,4,6-tris[bis(trimethylsilyl)methyl]-phenyl; Ditp = 2,2″-diisopropyl-m-terphenyl-2′-yl; X = S

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