21532-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21532-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,5,3 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21532-04:
(7*2)+(6*1)+(5*5)+(4*3)+(3*2)+(2*0)+(1*4)=67
67 % 10 = 7
So 21532-04-7 is a valid CAS Registry Number.
InChI:InChI=1/C4H8N4S2/c1-9-3-6-7-4(10-2)8(3)5/h5H2,1-2H3