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4176-99-2

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4176-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4176-99-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,7 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4176-99:
(6*4)+(5*1)+(4*7)+(3*6)+(2*9)+(1*9)=102
102 % 10 = 2
So 4176-99-2 is a valid CAS Registry Number.

4176-99-2Upstream product

4176-99-2Downstream Products

4176-99-2Relevant articles and documents

Cytotoxic biotransformed products from andrographolide by Rhizopus stolonifer ATCC 12939

He, Xiangjiu,Zeng, Xiaobin,Hu, Hui,Wu, Yixuan

experimental part, p. 242 - 247 (2010/11/04)

Biotransformation of andrographolide (1) by Rhizopus stolonifer ATCC 12939 was investigated. Ten bioconversion products were isolated and identified. Their structures were elucidated by high resolution mass spectroscopy (HR-MS), extensive NMR techniques,

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