3646-28-4 Usage
Uses
Estr-4-en-17-one, is an impurity of Allylestrenol. It can be used in the synthesis of Ethylestrenol (E917830), an anabolic steroid.
Check Digit Verification of cas no
The CAS Registry Mumber 3646-28-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,4 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3646-28:
(6*3)+(5*6)+(4*4)+(3*6)+(2*2)+(1*8)=94
94 % 10 = 4
So 3646-28-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H26O/c1-18-11-10-14-13-5-3-2-4-12(13)6-7-15(14)16(18)8-9-17(18)19/h4,13-16H,2-3,5-11H2,1H3/t13-,14+,15+,16-,18-/m0/s1