648930-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 648930-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,8,9,3 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 648930-88:
(8*6)+(7*4)+(6*8)+(5*9)+(4*3)+(3*0)+(2*8)+(1*8)=205
205 % 10 = 5
So 648930-88-5 is a valid CAS Registry Number.
648930-88-5Relevant academic research and scientific papers
PREPARATION OF DIAZAPENTALENE DERIVATIVES VIA EPOXYDATION OF DIHYDROPYRROLES
-
Page/Page column 36-37, (2008/06/13)
The present invention relates to a process for preparing a compound of formula (I), wherein R1 Is Pg1 Or P1’; P1' is CO-hydrocarbyl; P2 is CH2, O or N-Pg2; and Pg 1 an