25508-20-7 Usage
Uses
1,?3-?Bis(benzyloxycarbony?l)?-?2-?methyl-?2-?thiopseudourea is a useful reactant for the preparation of Leucetta alkaloids via tandem oxidative dearomatizing spirocyclizations.
Check Digit Verification of cas no
The CAS Registry Mumber 25508-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,0 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25508-20:
(7*2)+(6*5)+(5*5)+(4*0)+(3*8)+(2*2)+(1*0)=97
97 % 10 = 7
So 25508-20-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H18N2O4S/c1-25-16(19-17(21)23-12-14-8-4-2-5-9-14)20-18(22)24-13-15-10-6-3-7-11-15/h2-11H,12-13H2,1H3,(H,19,20,21,22)