50257-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50257-95-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,2,5 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50257-95:
(7*5)+(6*0)+(5*2)+(4*5)+(3*7)+(2*9)+(1*5)=109
109 % 10 = 9
So 50257-95-9 is a valid CAS Registry Number.
InChI:InChI=1/C16H25N5O5/c1-2-3-4-5-6-25-16-19-13(17)10-14(20-16)21(8-18-10)15-12(24)11(23)9(7-22)26-15/h8-9,11-12,15,22-24H,2-7H2,1H3,(H2,17,19,20)/t9-,11-,12-,15-/m1/s1