221353-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221353-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 221353-99:
(8*2)+(7*2)+(6*1)+(5*3)+(4*5)+(3*3)+(2*9)+(1*9)=107
107 % 10 = 7
So 221353-99-7 is a valid CAS Registry Number.
221353-99-7Relevant articles and documents
"Novel ortho-mercaptoaniline compounds"
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, (2008/06/13)
An ortho-mercaptoaniline derivative having the general formula wherein X is (H,H) or O; n is 1 or 2; and R1is (C1-C6)alkyl or phenyl-(C1-C6)alkylene, optionally substituted at phenyl with a (C1/