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145838-91-1

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145838-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145838-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,3 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 145838-91:
(8*1)+(7*4)+(6*5)+(5*8)+(4*3)+(3*8)+(2*9)+(1*1)=161
161 % 10 = 1
So 145838-91-1 is a valid CAS Registry Number.

145838-91-1Downstream Products

145838-91-1Relevant articles and documents

Chemoselectivity of rhodium carbenoids. A comparison of the selectivity for O-H insertion reactions or carbonyl ylide formation versus aliphatic and aromatic C-H insertion and cyclopropanation

Cox,Moody,Austin,Padwa

, p. 5109 - 5126 (2007/10/02)

A range of diazocarbonyl compounds 1-9 containing two different functional groups has been prepared, and their rhodium(II) catalysed decomposition studied as a means of probing the chemoselectivity of carbenoid intermediates. The results indicate that wereas O-H insertion reactions predominate over cyclopropanation and aromatic insertion reactions, carbonyl ylide formation vs other competing processes is more finely balanced, and is catalyst dependent.

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