74584-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74584-05-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,8 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74584-05:
(7*7)+(6*4)+(5*5)+(4*8)+(3*4)+(2*0)+(1*5)=147
147 % 10 = 7
So 74584-05-7 is a valid CAS Registry Number.
74584-05-7Relevant academic research and scientific papers
C(2)-VINYLHALO-CEPHEMS
Spry, Douglas O.
, p. 1289 - 1292 (2007/10/02)
C(2)-vinylhalo-cephems are prepared from a Pummerer type rearrangement of the corresponding sulfoxide with dimethyl immonium halide.
