637776-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637776-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,7,7 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 637776-94:
(8*6)+(7*3)+(6*7)+(5*7)+(4*7)+(3*6)+(2*9)+(1*4)=214
214 % 10 = 4
So 637776-94-4 is a valid CAS Registry Number.
637776-94-4Relevant articles and documents
Novel resveratrol analogs
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Page 4, (2010/02/08)
This invention relates to novel resveratrol analogs of the formula given below; wherein R, R1, R2 and R3 are: 1. R=OH, R1=R2=R3=H; 2. R=OH, R1=Br, R2=R3=H;