21995-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21995-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,9 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21995-30:
(7*2)+(6*1)+(5*9)+(4*9)+(3*5)+(2*3)+(1*0)=122
122 % 10 = 2
So 21995-30-2 is a valid CAS Registry Number.
InChI:InChI=1/Eu.H3N.2H2O4S/c;;2*1-5(2,3)4/h;1H3;2*(H2,1,2,3,4)/q+3;;;/p-3