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ethinyl estradiol 17-hemisuccinate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138219-86-0

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138219-86-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138219-86-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,1 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138219-86:
(8*1)+(7*3)+(6*8)+(5*2)+(4*1)+(3*9)+(2*8)+(1*6)=140
140 % 10 = 0
So 138219-86-0 is a valid CAS Registry Number.
InChI:InChI=1/C24H28O5/c1-3-24(29-22(28)9-8-21(26)27)13-11-20-19-6-4-15-14-16(25)5-7-17(15)18(19)10-12-23(20,24)2/h1,5,7,14,18-20,25H,4,6,8-13H2,2H3,(H,26,27)/t18-,19-,20+,23+,24+/m1/s1

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