64244-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64244-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,4 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64244-83:
(7*6)+(6*4)+(5*2)+(4*4)+(3*4)+(2*8)+(1*3)=123
123 % 10 = 3
So 64244-83-3 is a valid CAS Registry Number.
64244-83-3Relevant academic research and scientific papers
4,4-Dimethyl-3,5-pyrrolidinediones
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, (2008/06/13)
Compounds of formula (I): STR1 wherein: n is 4 to 8, X is CO, protected CO or CROH wherein R is hydrogen or C1-4 alkyl and wherein the OH moiety may be protected; R1 is hydrogen, or CO2 R1 represents an ester gr