57370-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57370-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57370-21:
(7*5)+(6*7)+(5*3)+(4*7)+(3*0)+(2*2)+(1*1)=125
125 % 10 = 5
So 57370-21-5 is a valid CAS Registry Number.
57370-21-5Relevant articles and documents
Triazoloquinazolines
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, (2008/06/13)
Triazoloquinazolines of the formula, STR1 wherein R1 is C1-4 alkyl or aryl; R2 and R3 are independently hydrogen, halogen, trifluoromethyl, nitro, C1-4 alkyl or C1sub