2580-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2580-82-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,8 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2580-82:
(6*2)+(5*5)+(4*8)+(3*0)+(2*8)+(1*2)=87
87 % 10 = 7
So 2580-82-7 is a valid CAS Registry Number.
InChI:InChI=1/C43H52N4O5/c1-7-24-15-23-20-43(42(49)52-6)39-27(13-14-47(21-23)40(24)43)29-17-30(36(50-4)19-34(29)45-39)31-16-28-25(8-2)22-46(3)35(37(28)41(48)51-5)18-32-26-11-9-10-12-33(26)44-38(31)32/h8-12,17,19,23-24,28,31,35,37,40,44-45H,7,13-16,18,20-22H2,1-6H3/b25-8+/t23-,24+,28?,31?,35?,37?,40+,43-/m1/s1