138898-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138898-70-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,9 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138898-70:
(8*1)+(7*3)+(6*8)+(5*8)+(4*9)+(3*8)+(2*7)+(1*0)=191
191 % 10 = 1
So 138898-70-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H34O3/c1-2-3-7-10-18(22)14-12-17-13-15-20(23)19(17)11-8-5-4-6-9-16-21/h5,8,12,14,17-19,21-22H,2-4,6-7,9-11,13,15-16H2,1H3/b8-5-,14-12+/t17-,18-,19+/m0/s1