17666-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17666-25-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,6 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17666-25:
(7*1)+(6*7)+(5*6)+(4*6)+(3*6)+(2*2)+(1*5)=130
130 % 10 = 0
So 17666-25-0 is a valid CAS Registry Number.
InChI:InChI=1/C32H49NO9.ClH/c1-6-18(3)25(35)41-24-11-12-26(4)19-8-9-20-28(37)13-23(34)31(39)21(29(28,38)16-30(20,26)42-32(19,24)40)15-33-14-17(2)7-10-22(33)27(31,5)36;/h6,17,19-24,34,36-40H,7-16H2,1-5H3;1H/b18-6-;/t17-,19-,20-,21-,22-,23-,24-,26-,27+,28+,29+,30+,31-,32-;/m0./s1