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205758-63-0

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205758-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205758-63-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,7,5 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 205758-63:
(8*2)+(7*0)+(6*5)+(5*7)+(4*5)+(3*8)+(2*6)+(1*3)=140
140 % 10 = 0
So 205758-63-0 is a valid CAS Registry Number.

205758-63-0Relevant articles and documents

The silver nitrate oxidation of 2,2,4,6,7-pentamethylcoumaran-5-ol

Sch?del, Uta,Gruner, Margit,Habicher, Wolf D

, p. 5081 - 5086 (2002)

The silver nitrate oxidation of 2,2,4,6,7-pentamethylcoumaran-5-ol (1) was investigated. The complex mixture of products received is in partial disagreement with the mechanisms supposed so far and proposes a less strong Mills-Nixon effect than assumed until now. Consecutive reactions of 2,2,4,7-tetramethylcoumaran-5,6-dione (2), which was received as main product, were examined.

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