72142-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72142-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,4 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72142-73:
(7*7)+(6*2)+(5*1)+(4*4)+(3*2)+(2*7)+(1*3)=105
105 % 10 = 5
So 72142-73-5 is a valid CAS Registry Number.
InChI:InChI=1/C22H31NO10/c1-10(2)23-8-13(31-22-18(27)16(25)17(26)20(33-22)21(28)29)9-30-14-6-4-5-12-7-15(11(3)24)32-19(12)14/h4-7,10-11,13,16-18,20,22-27H,8-9H2,1-3H3,(H,28,29)/t11?,13?,16-,17-,18+,20-,22+/m0/s1