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404887-94-1

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404887-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404887-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,8,8 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 404887-94:
(8*4)+(7*0)+(6*4)+(5*8)+(4*8)+(3*7)+(2*9)+(1*4)=171
171 % 10 = 1
So 404887-94-1 is a valid CAS Registry Number.

404887-94-1Relevant articles and documents

Synthetic studies of psilocin analogs having either a formyl group or bromine atom at the 5- or 7-position.

Yamada, Fumio,Tamura, Mayumi,Hasegawa, Atsuko,Somei, Masanori

, p. 92 - 99 (2007/10/03)

Psilocin analogs having either a formyl group (9-12) or a bromine atom (13-18) at the 5- or 7-position have been prepared for the first time. Syntheses of 5- and 7-bromo derivatives of 4-hydroxy- (23, 24, 28) and 4-benzyloxyindole-3-carbaldehyde (19, 25,

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