68921-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68921-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68921-90:
(7*6)+(6*8)+(5*9)+(4*2)+(3*1)+(2*9)+(1*0)=164
164 % 10 = 4
So 68921-90-4 is a valid CAS Registry Number.
InChI:InChI=1/2C8H17NO6S.Ca/c2*1-8(2,5-10)6(11)7(12)9-3-4-16(13,14)15;/h2*6,10-11H,3-5H2,1-2H3,(H,9,12)(H,13,14,15);/q;;+2/p-2/t2*6-;/m00./s1