137003-52-2 Usage
Uses
4-Oxo-2,2,6,6-tetramethylpiperidinone-1-15N is a useful synthesis research reagent.
Check Digit Verification of cas no
The CAS Registry Mumber 137003-52-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,0 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137003-52:
(8*1)+(7*3)+(6*7)+(5*0)+(4*0)+(3*3)+(2*5)+(1*2)=92
92 % 10 = 2
So 137003-52-2 is a valid CAS Registry Number.