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121335-16-8

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121335-16-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121335-16-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,3 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121335-16:
(8*1)+(7*2)+(6*1)+(5*3)+(4*3)+(3*5)+(2*1)+(1*6)=78
78 % 10 = 8
So 121335-16-8 is a valid CAS Registry Number.

121335-16-8Downstream Products

121335-16-8Relevant articles and documents

Facile Reduction of Intermediates from Carboxylic Acids and 6-Nitro-1-(2-nitrophenylsulfonyloxy)benzotriazole with Sodium Borohydride to Alcohols

Okawara, Tadashi,Ikeda, Norihiro,Yamasaki, Tetsuo,Furukawa, Mitsuru

, p. 3628 - 3631 (2007/10/02)

Reduction of activated intermediates derived from 6-nitro-1-(2-nitrophenylsulfonyloxy)-benzotriazole and carboxylic acids with sodium borohydride readily afforded the corresponding alcohols in 71-93percent yields.Keywords: 6-nitro-1-(2-nitrophenylsulfonyloxy)benzotriazole; 1-acyloxy-6-nitrobenzotriazole; 3-acyl-6-nitrobenzotriazole 1-oxide; sodium borohydride reduction; alcohol synthesis

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