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ingenol-20-isobutyrate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74690-91-8

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74690-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74690-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,9 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74690-91:
(7*7)+(6*4)+(5*6)+(4*9)+(3*0)+(2*9)+(1*1)=158
158 % 10 = 8
So 74690-91-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H34O6/c1-11(2)21(28)30-10-14-8-15-17-16(22(17,5)6)7-13(4)23(20(15)27)9-12(3)18(25)24(23,29)19(14)26/h8-9,11,13,15-19,25-26,29H,7,10H2,1-6H3/t13-,15+,16+,17-,18+,19-,23?,24-/m0/s1

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