157758-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157758-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,5 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157758-69:
(8*1)+(7*5)+(6*7)+(5*7)+(4*5)+(3*8)+(2*6)+(1*9)=185
185 % 10 = 5
So 157758-69-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H39O14P.2Na/c1-2-3-4-5-6-7-8-30-20-18(16(25)13(22)11(9-21)32-20)34-19-17(26)15(24)14(23)12(33-19)10-31-35(27,28)29;;/h11-26H,2-10H2,1H3,(H2,27,28,29);;/q;2*+1/p-2/t11-,12-,13-,14-,15+,16+,17+,18+,19-,20+;;/m1../s1