21688-61-9 Usage
Definition
ChEBI: A natural product found in Melia toosendan.
Check Digit Verification of cas no
The CAS Registry Mumber 21688-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,8 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21688-61:
(7*2)+(6*1)+(5*6)+(4*8)+(3*8)+(2*6)+(1*1)=119
119 % 10 = 9
So 21688-61-9 is a valid CAS Registry Number.
InChI:InChI=1/C30H48O2/c1-19(2)10-9-11-20(3)26-23(31)18-30(8)22-12-13-24-27(4,5)25(32)15-16-28(24,6)21(22)14-17-29(26,30)7/h10,12,20-21,23-24,26,31H,9,11,13-18H2,1-8H3/t20-,21+,23+,24?,26-,28-,29+,30-/m1/s1