20526-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20526-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,2 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20526-58:
(7*2)+(6*0)+(5*5)+(4*2)+(3*6)+(2*5)+(1*8)=83
83 % 10 = 3
So 20526-58-3 is a valid CAS Registry Number.
InChI:InChI=1/C4H6O7S.Na/c5-3(6)1-2(4(7)8)12(9,10)11;/h2H,1H2,(H,5,6)(H,7,8)(H,9,10,11);/q;+1/p-1/rC4H5NaO7S/c5-12-13(10,11)2(4(8)9)1-3(6)7/h2H,1H2,(H,6,7)(H,8,9)