142457-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142457-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,5 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142457-58:
(8*1)+(7*4)+(6*2)+(5*4)+(4*5)+(3*7)+(2*5)+(1*8)=127
127 % 10 = 7
So 142457-58-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H15O15P3.3Na/c1-22-28(16,17)25-10(13)7-4-8(11(14)26-29(18,19)23-2)6-9(5-7)12(15)27-30(20,21)24-3;;;/h4-6H,1-3H3,(H,16,17)(H,18,19)(H,20,21);;;/q;3*+1/p-3