28905-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28905-44-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,0 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28905-44:
(7*2)+(6*8)+(5*9)+(4*0)+(3*5)+(2*4)+(1*4)=134
134 % 10 = 4
So 28905-44-4 is a valid CAS Registry Number.
InChI:InChI=1/C30H56O7/c1-3-5-7-9-11-13-15-17-19-21-27(32)35-24-26(30-29(34)25(31)23-36-30)37-28(33)22-20-18-16-14-12-10-8-6-4-2/h25-26,29-31,34H,3-24H2,1-2H3/t25?,26-,29+,30-/m1/s1