3233-70-3 Usage
Uses
β-Estradiol 3,17-Disulfate is a conjugated estrogen.
Check Digit Verification of cas no
The CAS Registry Mumber 3233-70-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,3 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3233-70:
(6*3)+(5*2)+(4*3)+(3*3)+(2*7)+(1*0)=63
63 % 10 = 3
So 3233-70-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H24O8S2/c1-18-9-8-14-13-5-3-12(25-27(19,20)21)10-11(13)2-4-15(14)16(18)6-7-17(18)26-28(22,23)24/h3,5,10,14-17H,2,4,6-9H2,1H3,(H,19,20,21)(H,22,23,24)/t14-,15-,16+,17+,18+/m1/s1