42902-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42902-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,0 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42902-52:
(7*4)+(6*2)+(5*9)+(4*0)+(3*2)+(2*5)+(1*2)=103
103 % 10 = 3
So 42902-52-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H15NO2/c1-8-3-2-4-9(5-8)11-6-10(13)7-12/h2-5,10-13H,6-7H2,1H3