172685-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172685-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,8 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172685-03:
(8*1)+(7*7)+(6*2)+(5*6)+(4*8)+(3*5)+(2*0)+(1*3)=149
149 % 10 = 9
So 172685-03-9 is a valid CAS Registry Number.
172685-03-9Relevant articles and documents
[4 + 3] cycloadditions of cyclic oxyallyls and cyclic 1,3-dienes
Jin, Shu-Juan,Choi, Jong-Ryoo,Oh, Jonghoon,Lee, Dongha,Cha, Jin Kun
, p. 10914 - 10921 (1995)
The [4 + 3] cycloaddition of the oxyallyl intermediates, derived from 2-chlorocyclohexanone and related compounds, to cyclic 1,3-dienes under the F?hlisch conditions (Et3N in CF3CH2OH) has been examined to assess its scope
