42982-29-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42982-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,8 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42982-29:
(7*4)+(6*2)+(5*9)+(4*8)+(3*2)+(2*2)+(1*9)=136
136 % 10 = 6
So 42982-29-6 is a valid CAS Registry Number.
42982-29-6Relevant articles and documents
A RE-EXAMINATION OF THE ACID-CATALYSED REACTION OF KETALS WITH 1,2-BIS(TRIMETHYLSILOXY)CYCLOPENTENE
Wu, Yong-Jin,Burnell, D. Jean
, p. 1021 - 1024 (1989)
Ketals react with 1,2-bis(trimethylsiloxy)cyclopentene in the presence of a large excess of boron trifluoride etherate to provide 2,2-disubstituted 1,3-cyclohexanediones in very good yields.
