66216-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66216-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,1 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66216-78:
(7*6)+(6*6)+(5*2)+(4*1)+(3*6)+(2*7)+(1*8)=132
132 % 10 = 2
So 66216-78-2 is a valid CAS Registry Number.
InChI:InChI=1/C28H33N7O7/c1-17-12-25(38)42-22-13-19(9-10-20(17)22)34-21(8-5-11-31-27(29)30)26(39)35-24(37)15-32-23(36)14-33-28(40)41-16-18-6-3-2-4-7-18/h2-4,6-7,9-10,12-13,21,34H,5,8,11,14-16H2,1H3,(H,32,36)(H,33,40)(H4,29,30,31)(H,35,37,39)/t21-/m0/s1