28680-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28680-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,6,8 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28680-67:
(7*2)+(6*8)+(5*6)+(4*8)+(3*0)+(2*6)+(1*7)=143
143 % 10 = 3
So 28680-67-3 is a valid CAS Registry Number.
InChI:InChI=1/C34H56/c1-3-5-7-9-11-13-15-17-19-21-25-31-29-30-32(34-28-24-23-27-33(31)34)26-22-20-18-16-14-12-10-8-6-4-2/h23-24,27-30H,3-22,25-26H2,1-2H3