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903881-41-4

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903881-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 903881-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,8,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 903881-41:
(8*9)+(7*0)+(6*3)+(5*8)+(4*8)+(3*1)+(2*4)+(1*1)=174
174 % 10 = 4
So 903881-41-4 is a valid CAS Registry Number.

903881-41-4Downstream Products

903881-41-4Relevant articles and documents

Tmob Side Chain-Protected S-Cysteine- and Homo-S-cysteinesulfonamides, their Nα-Protected and Nω-Aminoethylated Derivatives

Videnov, Georgi,Aleksiev, Boris,Stoev, Mincho,Paipanova, Tamara,Jung, Guenther

, p. 941 - 946 (2007/10/02)

The 2,4,6-trimethoxybenzyl (Tmob) group is very suitable for temporary protection of the aminosulfonyl group of S-cysteine- and homo-S-cysteinesulfonamides.Both the introduction and removal of the Tmob-protecting group can be achieved in high yields. 2-Am

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