145899-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145899-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145899-55:
(8*1)+(7*4)+(6*5)+(5*8)+(4*9)+(3*9)+(2*5)+(1*5)=184
184 % 10 = 4
So 145899-55-4 is a valid CAS Registry Number.
145899-55-4Relevant academic research and scientific papers
Opioid properties of some derivatives of pethidine based on tropane
Casy,Dewar,Pascoe
, p. 787 - 790 (2007/10/02)
The preparation of some tropane analogues of pethidine and its reversed ester, chiefly with preferred 3α-m-hydroxyphenyl chair conformations, is described. The former were secured from tropan-3-one in a sequence of reactions involving cyanide attack, hydr
