149849-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149849-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,4 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 149849-42:
(8*1)+(7*4)+(6*9)+(5*8)+(4*4)+(3*9)+(2*4)+(1*2)=183
183 % 10 = 3
So 149849-42-3 is a valid CAS Registry Number.
InChI:InChI=1/2C5H7NO3.4C4H9.H2O.2Sn/c2*7-4-2-1-3(6-4)5(8)9;4*1-3-4-2;;;/h2*3H,1-2H2,(H,6,7)(H,8,9);4*1,3-4H2,2H3;1H2;;/t2*3-;;;;;;;/m00......./s1/r2C8H18Sn.2C5H7NO3.H2O/c2*1-3-5-7-9-8-6-4-2;2*7-4-2-1-3(6-4)5(8)9;/h2*3-8H2,1-2H3;2*3H,1-2H2,(H,6,7)(H,8,9);1H2/t;;2*3-;/m..00./s1