18881-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18881-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18881-57:
(7*1)+(6*8)+(5*8)+(4*8)+(3*1)+(2*5)+(1*7)=147
147 % 10 = 7
So 18881-57-7 is a valid CAS Registry Number.
InChI:InChI=1/C8H19NS2Si/c1-6-9(7-2)8(10)11-12(3,4)5/h6-7H2,1-5H3