7238-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7238-59-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,3 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7238-59:
(6*7)+(5*2)+(4*3)+(3*8)+(2*5)+(1*9)=107
107 % 10 = 7
So 7238-59-7 is a valid CAS Registry Number.
InChI:InChI=1/C5H8N2O4/c1-6-3-4(7(9)10)5(8)11-2/h3,6H,1-2H3