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1421846-57-2

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1421846-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421846-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,8,4 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1421846-57:
(9*1)+(8*4)+(7*2)+(6*1)+(5*8)+(4*4)+(3*6)+(2*5)+(1*7)=152
152 % 10 = 2
So 1421846-57-2 is a valid CAS Registry Number.

1421846-57-2Downstream Products

1421846-57-2Relevant articles and documents

One pot regioselective synthesis of a small library of dibenzo[ b, f ][1,4]thiazepin-11(10 H)-ones via smiles rearrangement

Zhao, Yongmei,Dai, Qiaoling,Chen, Zhi,Zhang, Qihui,Bai, Yongcheng,Ma, Chen

supporting information, p. 130 - 134 (2013/03/14)

A facile and efficient method has been developed for the synthesis of a small library of dibenzo[b,f][1,4]thiazepin-11(10H)-ones via Smiles rearrangement. Compounds were obtained in excellent isolated yields (70%-92%) under metal-free conditions. More specifically, this transition metal-free process relates to an environmentally friendly, economical, and efficient method for preparing benzoic-fused seven-membered lactams.

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