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81616-17-3

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81616-17-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81616-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,1 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81616-17:
(7*8)+(6*1)+(5*6)+(4*1)+(3*6)+(2*1)+(1*7)=123
123 % 10 = 3
So 81616-17-3 is a valid CAS Registry Number.

81616-17-3Downstream Products

81616-17-3Relevant articles and documents

Degradative rearrangements of N-(t-butyloxycarbonyl)-O-methanesulfonyl- hydroxamic acids: A novel, reagent-based alternative to the Lossen rearrangement

Stafford, Jeffrey A.,Gonzales, Stephen S.,Barrett, David G.,Suh, Edward M.,Feldman, Paul L.

, p. 10040 - 10044 (2007/10/03)

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Amino-Protecting Reagents: New Promising Reagents for tert-Butoxycarbonylation, Benzyloxycarbonylation, and carbonylation

Kita, Yasuyuki,Haruta, Jun-ichi,Yasuda, Hitoshi,Fukunaga, Keiko,Shirouchi, Yoshiaki,Tamura, Yasumitsu

, p. 2697 - 2700 (2007/10/02)

A new method for the preparation of tert-butyl- (1d), benzyl- (1e), and (β-trimethylsilyl)ethyl α-methoxyvinyl carbonates (1f) has been devised.The reaction of these reagents with amino compounds proceeds rapidly under mild conditions to give the corresponding N-tert-butoxycarbonylated (N-Boc), N-benzyloxycarbonylated (N-Z), and N-carbonylated (N-Tmseoc) compounds in quantitative yields.Twenty-two examples using amines, amino alcohols, and amino acids were presented.

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