171617-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171617-78-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,1 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 171617-78:
(8*1)+(7*7)+(6*1)+(5*6)+(4*1)+(3*7)+(2*7)+(1*8)=140
140 % 10 = 0
So 171617-78-0 is a valid CAS Registry Number.
171617-78-0Relevant articles and documents
Preparation of optically active 2-(or 3)(p-tolylsulfinyl)-3(or 2)furyl- or thienylcarboxaldehydes
Girodier,Maignan,Rouessac
, p. 2045 - 2052 (2007/10/03)
The preparation of the four enantiomerically pure title compounds is described by reaction of (I)-(-)-Ss-menthyl-p-toluenesulfinate on furan or thiophene precursors.
