70840-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70840-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 70840-66:
(7*7)+(6*0)+(5*8)+(4*4)+(3*0)+(2*6)+(1*6)=123
123 % 10 = 3
So 70840-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C41H50N6O10/c1-23-36(49)44-30(22-48)40(53)45(3)31(18-25-8-13-28(55-6)14-9-25)38(51)43-24(2)39(52)47(5)33-19-26-10-15-29(16-11-26)57-35-21-27(12-17-34(35)56-7)20-32(37(50)42-23)46(4)41(33)54/h8-17,21,23-24,30-33,48H,18-20,22H2,1-7H3,(H,42,50)(H,43,51)(H,44,49)/t23-,24-,30-,31-,32+,33?/m0/s1