172421-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172421-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,2 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172421-42:
(8*1)+(7*7)+(6*2)+(5*4)+(4*2)+(3*1)+(2*4)+(1*2)=110
110 % 10 = 0
So 172421-42-0 is a valid CAS Registry Number.
InChI:InChI=1/C27H39N3OP.3HI/c1-4-28-16-7-25(8-17-28)13-22-32(31,23-14-26-9-18-29(5-2)19-10-26)24-15-27-11-20-30(6-3)21-12-27;;;/h7-12,16-21H,4-6,13-15,22-24H2,1-3H3;3*1H/q+3;;;/p-3