178974-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178974-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,7 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 178974-29:
(8*1)+(7*7)+(6*8)+(5*9)+(4*7)+(3*4)+(2*2)+(1*9)=203
203 % 10 = 3
So 178974-29-3 is a valid CAS Registry Number.
178974-29-3Relevant articles and documents
BENZOPYRAN DERIVATIVES
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, (2008/06/13)
Benzopyran derivatives (I) (R = phenyl, alkoxycarbonyl, alkylcarbonyl, CONH2, CONH(alkyl), CON(alkyl)2, CN or alkoxycarbonylamino; R2 = alkyl, alkoxy, polyfluoroalkoxy, OH or CF3SO2O; each of R4 and R5 independently = H, halogen, polyfluoroalkyl, polyfluo