91599-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91599-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,9 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91599-21:
(7*9)+(6*1)+(5*5)+(4*9)+(3*9)+(2*2)+(1*1)=162
162 % 10 = 2
So 91599-21-2 is a valid CAS Registry Number.
InChI:InChI=1/C28H34O6/c1-15-14-22(33-23(30)16(15)2)26(4)20-11-13-28(32)19-9-8-17-6-5-7-21(29)25(17,3)18(19)10-12-27(20,28)24(31)34-26/h5-6,8,18-20,22,32H,7,9-14H2,1-4H3/t18-,19+,20+,22+,25-,26+,27?,28+/m0/s1