1900-74-9 Usage
Spiro compound
Contains both oxygen and sulfur atoms
Trans-
Substituent groups are on opposite sides of the spiro center
Industrial applications
Synthetic intermediate, production of pharmaceuticals
Unique structure
Valuable building block for the synthesis of complex organic molecules
Check Digit Verification of cas no
The CAS Registry Mumber 1900-74-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,0 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1900-74:
(6*1)+(5*9)+(4*0)+(3*0)+(2*7)+(1*4)=69
69 % 10 = 9
So 1900-74-9 is a valid CAS Registry Number.