158973-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158973-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,9,7 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158973-91:
(8*1)+(7*5)+(6*8)+(5*9)+(4*7)+(3*3)+(2*9)+(1*1)=192
192 % 10 = 2
So 158973-91-2 is a valid CAS Registry Number.
158973-91-2Relevant articles and documents
ARYLAMINO PYRIMIDINE COMPOUND
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, (2008/06/13)
A pyrimidine derivative represented by the formula (II) or (III), (wherein R1 and R2 each represent H, a halogen, amino, nitro, an unsubstituted or substituted alkyl, an alkoxy or an alkoxycarbonyl, or R1 and R2 are bonded together to form an unsubstitute