72553-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72553-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,5 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72553-46:
(7*7)+(6*2)+(5*5)+(4*5)+(3*3)+(2*4)+(1*6)=129
129 % 10 = 9
So 72553-46-9 is a valid CAS Registry Number.
72553-46-9Relevant academic research and scientific papers
REAKTIONEN IN ORGANISCHEN KRISTALLEN. IV. NORRISH TYP II-FRAGMENTIERUNG VON KRISTALLINEN SPIRO-DIKETONEN UND SPIRO-DIKETONIMINEN.
Mohr
, p. 593 - 594 (2007/10/02)
A subsequent solid-state type II fragmentation of 2, the primary asymmetric ?2 + ?2 + ?2 + ?2 -dimers of 1, leads to dimers of type 3.An analogous H-shift takes place with spirodiketones, derived from 2.
