38838-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38838-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,8,3 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 38838-25:
(7*3)+(6*8)+(5*8)+(4*3)+(3*8)+(2*2)+(1*5)=154
154 % 10 = 4
So 38838-25-4 is a valid CAS Registry Number.
InChI:InChI=1/C20H23NO5.C4H6O6/c1-23-16-10-13-12(6-8-15(16)22)18-11(5-7-14(13)21)9-17(24-2)19(25-3)20(18)26-4;5-1(3(7)8)2(6)4(9)10/h6,8-10,14H,5,7,21H2,1-4H3;1-2,5-6H,(H,7,8)(H,9,10)/t14-;1-,2-/m01/s1