1921-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1921-44-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1921-44:
(6*1)+(5*9)+(4*2)+(3*1)+(2*4)+(1*4)=74
74 % 10 = 4
So 1921-44-4 is a valid CAS Registry Number.
InChI:InChI=1/C11H25NO3S2/c1-2-3-4-5-6-7-8-9-12-10-11-16-17(13,14)15/h12H,2-11H2,1H3,(H,13,14,15)