133983-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133983-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,8 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133983-28:
(8*1)+(7*3)+(6*3)+(5*9)+(4*8)+(3*3)+(2*2)+(1*8)=145
145 % 10 = 5
So 133983-28-5 is a valid CAS Registry Number.
InChI:InChI=1/C32H40O4/c1-27(36-32(34)30-25-20-23-28-22-18-19-24-29(28)30)21-16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-26-31(33)35-2/h4-7,10-13,18-20,22-25,27H,3,8-9,14-17,21,26H2,1-2H3/b6-4+,7-5+,12-10+,13-11+