81203-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81203-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,0 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81203-56:
(7*8)+(6*1)+(5*2)+(4*0)+(3*3)+(2*5)+(1*6)=97
97 % 10 = 7
So 81203-56-7 is a valid CAS Registry Number.
InChI:InChI=1/C17H26O10/c1-6-3-8(19)11-7(15(23)24-2)5-25-16(10(6)11)27-17-14(22)13(21)12(20)9(4-18)26-17/h5-6,8-14,16-22H,3-4H2,1-2H3/t6-,8-,9+,10-,11+,12+,13-,14+,16+,17-/m0/s1