18844-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18844-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,4 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18844-04:
(7*1)+(6*8)+(5*8)+(4*4)+(3*4)+(2*0)+(1*4)=127
127 % 10 = 7
So 18844-04-7 is a valid CAS Registry Number.
InChI:InChI=1/C36H108O16Si17/c1-53(2,3)37-55(7,8)39-57(11,12)41-59(15,16)43-61(19,20)45-63(23,24)47-65(27,28)49-67(31,32)51-69(35,36)52-68(33,34)50-66(29,30)48-64(25,26)46-62(21,22)44-60(17,18)42-58(13,14)40-56(9,10)38-54(4,5)6/h1-36H3