444340-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444340-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,3,4 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 444340-29:
(8*4)+(7*4)+(6*4)+(5*3)+(4*4)+(3*0)+(2*2)+(1*9)=128
128 % 10 = 8
So 444340-29-8 is a valid CAS Registry Number.
444340-29-8Relevant academic research and scientific papers
Hauser, Frank M.,Dorsch, Warren A.,Mal, Dipakranjan
, p. 2237 - 2239 (2002)
(matrix presented) Condensation of the phthalide sulfide with an ortho-quinone monoketal was employed as a key step in the first total synthesis of a derivative of (±)-PD 116740.