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670749-40-3

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670749-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 670749-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,7,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 670749-40:
(8*6)+(7*7)+(6*0)+(5*7)+(4*4)+(3*9)+(2*4)+(1*0)=183
183 % 10 = 3
So 670749-40-3 is a valid CAS Registry Number.

670749-40-3Relevant articles and documents

Synthesis of (±)-trans-2-[3-methoxy-4-(4 chlorophenylthioethoxy)-5-(N-methyl-N-hydroxyureidyl)methylphenyl]-5-(3,4, 5-trimethoxyphenyl)tetrahydrofuran

Ram,Balram,Ram, S. Raghu

, p. 2063 - 2068 (2007/10/03)

The synthesis of (± )-trans-2-[3-methoxy-4-(4-chlorophenylthioethoxy)-5-(N-methyl-N-hydroxyureidyl) methylphenyl]-5-(3,4,5-trimethoxyphenyl) tetrahydrofuran from commercially available vanillin acetate and 3,4,5-trimethoxy benzaldehyde is reported.

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