143390-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143390-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,9 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143390-88:
(8*1)+(7*4)+(6*3)+(5*3)+(4*9)+(3*0)+(2*8)+(1*8)=129
129 % 10 = 9
So 143390-88-9 is a valid CAS Registry Number.
143390-88-9Relevant articles and documents
Preparation of E-oxime ethers of phenylglyoxylic esters
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, (2008/06/13)
E-oxime ethers of phenylglyoxylic esters of the formula I STR1 where X and Y are each halogen, C1 -C4 -alkyl, C1 -C4 -alkoxy or trifluoromethyl; m is an integer from 0 to 4; n is an integer from 0 to 3; are prepared.