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121948-57-0

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121948-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121948-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,4 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121948-57:
(8*1)+(7*2)+(6*1)+(5*9)+(4*4)+(3*8)+(2*5)+(1*7)=130
130 % 10 = 0
So 121948-57-0 is a valid CAS Registry Number.

121948-57-0Relevant articles and documents

Stepwise Intramolecular Cycloaddition of Nitrile Oxide Equivalents Derived from the Lewis Acid-promoted Reaction of 1-Nitroalkadienes and Allylic Stannanes

Uno, Hidemitsu,Goto, Ken-ichi,Watanabe, Noriko,Suzuki, Hitomi

, p. 289 - 295 (2007/10/02)

The Lewis acid-promoted reaction of 1-nitroalka-1,5-(or 1,6-)dienes with allylic stannanes has been studied.In the presence of TiCl4, 1-nitrohexa-1,5-diene reacted smoothly with allyltrimethylstannane to give a diastereoisomeric mixture of 6-allyl-3a,4,5,

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